{"id":13585,"date":"2026-11-06T01:53:10","date_gmt":"2026-11-06T01:53:10","guid":{"rendered":"https:\/\/aiper.com\/blogs\/?page_id=13585"},"modified":"2026-11-12T04:43:56","modified_gmt":"2026-11-12T04:43:56","slug":"glossary","status":"publish","type":"page","link":"https:\/\/aiper.com\/blogs\/glossary\/","title":{"rendered":"Pool &#038; Lawn Care Glossary"},"content":{"rendered":"  <div class=\"aiper-glossary\" lang=\"en-US\" data-result-one=\"{count} term\" data-result-many=\"{count} terms\" data-empty=\"No terms found. Try another name or clear the filters.\">\r\n     <header><p>Visual Glossary<\/p><h1>Pool &amp; Lawn Care Glossary<\/h1><p>Explore essential swimming pool, lawn care, and irrigation terminology through simple definitions, helpful illustrations, and practical explanations.<\/p><\/header>\r\n   <div data-glossary-controls hidden><label for=\"glossary-search\">Find a term<\/label><input id=\"glossary-search\" type=\"search\" placeholder=\"Search terms, e.g. Skimmer, pH, Aeration...\">\r\n   <label for=\"glossary-category\">Category<\/label><select id=\"glossary-category\"><option value=\"\">All Terms<\/option><option value=\"pool-water-chemistry\">Pool Water Chemistry<\/option><option value=\"pool-equipment-cleaning\">Pool Equipment &amp; Cleaning<\/option><option value=\"lawn-soil-care\">Lawn &amp; Soil Care<\/option><option value=\"smart-irrigation\">Smart Irrigation<\/option><\/select><\/div>\r\n   <nav aria-label=\"Glossary alphabet\" class=\"glossary-letters\"><span aria-label=\"A: no terms\">A<\/span><a href=\"#letter-B\">B<\/a><a href=\"#letter-C\">C<\/a><a href=\"#letter-D\">D<\/a><span aria-label=\"E: no terms\">E<\/span><a href=\"#letter-F\">F<\/a><span aria-label=\"G: no terms\">G<\/span><a href=\"#letter-H\">H<\/a><a href=\"#letter-I\">I<\/a><span aria-label=\"J: no terms\">J<\/span><span aria-label=\"K: no terms\">K<\/span><span aria-label=\"L: no terms\">L<\/span><a href=\"#letter-M\">M<\/a><span aria-label=\"N: no terms\">N<\/span><a href=\"#letter-O\">O<\/a><a href=\"#letter-P\">P<\/a><span aria-label=\"Q: no terms\">Q<\/span><a href=\"#letter-R\">R<\/a><a href=\"#letter-S\">S<\/a><a href=\"#letter-T\">T<\/a><a href=\"#letter-U\">U<\/a><a href=\"#letter-V\">V<\/a><a href=\"#letter-W\">W<\/a><span aria-label=\"X: no terms\">X<\/span><span aria-label=\"Y: no terms\">Y<\/span><span aria-label=\"Z: no terms\">Z<\/span><\/nav>\r\n   <p data-glossary-feedback role=\"status\" aria-live=\"polite\">70 terms<\/p>\r\n      <section data-glossary-group id=\"letter-B\"><h2>B<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Backwashing\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/backwashing.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/backwashing.svg?ver=0.5.11\" alt=\"Backwashing schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/backwashing\/\">Backwashing<\/a><\/h3><p>Backwashing cleans certain pool filters by reversing water flow through the filter medium and directing the dirty water to waste.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Bromine\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/bromine.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/bromine.svg?ver=0.5.11\" alt=\"Water contains symbolic bromine disinfectant residual; a sample tube illustrates measuring that residual with a suitable test. Symbols do not show actual molecules or target concentrations.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/bromine\/\">Bromine<\/a><\/h3><p>Bromine is a halogen disinfectant used in some pools and hot tubs to help control disease-causing microorganisms.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-C\"><h2>C<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Calcium Hardness CH\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/calcium-hardness.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/calcium-hardness.svg?ver=0.5.11\" alt=\"Water vessel with dispersed Ca symbols representing dissolved calcium, rather than calcium deposits. Reported as ppm as calcium carbonate.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/calcium-hardness\/\">Calcium Hardness<\/a><\/h3><p>Calcium hardness measures dissolved calcium in pool water, usually reported as parts per million as calcium carbonate.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Cartridge Filter\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cartridge-filter.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cartridge-filter.svg?ver=0.5.11\" alt=\"Cartridge Filter schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/cartridge-filter\/\">Cartridge Filter<\/a><\/h3><p>A cartridge filter captures particles as water passes through replaceable pleated filter elements.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Chloramines\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/chloramines.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/chloramines.svg?ver=0.5.11\" alt=\"Paired colored symbols in pool water represent chloramine compounds, with an upward arrow showing that some can pass into air above water; not a molecular structure.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/chloramines\/\">Chloramines<\/a><\/h3><p>Chloramines are compounds formed when chlorine reacts with nitrogen-containing contaminants in pool water.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Cleaning Modes pool cleaner modes robot cleaning mode\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cleaning-modes.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cleaning-modes.svg?ver=0.5.11\" alt=\"Four pool sections highlight the floor, vertical wall, narrow waterline intersection, and water surface as distinct possible cleaning targets.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/cleaning-modes\/\">Cleaning Modes<\/a><\/h3><p>Cleaning modes are selectable operating programs that determine a pool cleaner\u2019s cleaning target or behavior.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Combined Chlorine CC\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/combined-chlorine.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/combined-chlorine.svg?ver=0.5.11\" alt=\"Illustrative proportional bars: free chlorine 3 ppm, combined chlorine 1 ppm, total chlorine 4 ppm. Total minus free equals combined. Not target levels.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/combined-chlorine\/\">Combined Chlorine<\/a><\/h3><p>Combined chlorine is the portion of a total chlorine test result that is not free chlorine.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Cool-Season Grass cool season turfgrass\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cool-season-grass.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cool-season-grass.svg?ver=0.5.11\" alt=\"Concept diagram: Spring: active growth; Summer heat: growth slows; Fall: active growth.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/cool-season-grass\/\">Cool-Season Grass<\/a><\/h3><p>Cool-season grass is turfgrass adapted to relatively cool conditions, with strong growth commonly occurring in spring and fall.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Core Aeration hollow-tine aeration core aerifying\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/core-aeration.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/core-aeration.svg?ver=0.5.11\" alt=\"Concept diagram: Hollow tine removes a plug; Opening remains in soil; Air and water enter opening.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/core-aeration\/\">Core Aeration<\/a><\/h3><p>Core aeration removes small plugs of soil from a lawn to create openings in compacted ground.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Cyanuric Acid CYA chlorine stabilizer\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cyanuric-acid.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cyanuric-acid.svg?ver=0.5.11\" alt=\"Concept comparison: sunlight reaches two water samples; fewer chlorine symbols remain without CYA than with CYA. Illustration of stabilization, not quantitative rates.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/cyanuric-acid\/\">Cyanuric Acid<\/a><\/h3><p>Cyanuric acid is a pool-water stabilizer that slows the loss of chlorine caused by sunlight.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Cycle and Soak cycle soak cycle-and-soak split irrigation cycles\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cycle-and-soak.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/cycle-and-soak.svg?ver=0.5.11\" alt=\"Cycle and soak is a watering method that divides a watering period into shorter applications separated by pauses for water to soak into the soil. Three watering applications alternate with two soak pauses.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/cycle-and-soak\/\">Cycle and Soak<\/a><\/h3><p>Cycle and soak is a watering method that divides a watering period into shorter applications separated by pauses for water to soak into the soil.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-D\"><h2>D<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Dethatching lawn scarifying thatch removal\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/dethatching.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/dethatching.svg?ver=0.5.11\" alt=\"Concept diagram: Tines reach thatch layer; Excess material is lifted; Soil remains underneath.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/dethatching\/\">Dethatching<\/a><\/h3><p>Dethatching is the mechanical removal of excess thatch from a lawn.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Diatomaceous Earth Filter DE filter D.E. filter\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/diatomaceous-earth-filter.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/diatomaceous-earth-filter.svg?ver=0.5.11\" alt=\"Diatomaceous Earth Filter schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/diatomaceous-earth-filter\/\">Diatomaceous Earth Filter<\/a><\/h3><p>A diatomaceous earth filter uses a coating of fine diatomaceous earth powder on internal support elements to capture particles from pool water.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Drip Irrigation drip watering trickle irrigation\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/drip-irrigation.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/drip-irrigation.svg?ver=0.5.11\" alt=\"Drip irrigation delivers water slowly through emitters positioned near plants, on or below the soil surface. Emitters along a pipe feed conceptual wetted areas below the surface.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/drip-irrigation\/\">Drip Irrigation<\/a><\/h3><p>Drip irrigation delivers water slowly through emitters positioned near plants, on or below the soil surface.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-F\"><h2>F<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Free Chlorine FC free available chlorine\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/free-chlorine.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/free-chlorine.svg?ver=0.5.11\" alt=\"Illustrative proportional bars: free chlorine 3 ppm, combined chlorine 1 ppm, total chlorine 4 ppm. Total minus free equals combined. Not target levels.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/free-chlorine\/\">Free Chlorine<\/a><\/h3><p>Free chlorine is the chlorine residual measured as available for disinfection rather than combined chlorine.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-H\"><h2>H<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Head-to-Head Coverage head to head spacing sprinkler overlap\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/head-to-head-coverage.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/head-to-head-coverage.svg?ver=0.5.11\" alt=\"Head-to-head coverage is sprinkler spacing in which the spray from one head reaches the location of the adjacent head. Two circular patterns overlap; each head lies on the other pattern\u2019s boundary.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/head-to-head-coverage\/\">Head-to-Head Coverage<\/a><\/h3><p>Head-to-head coverage is sprinkler spacing in which the spray from one head reaches the location of the adjacent head.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-I\"><h2>I<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Infiltration water infiltration soil infiltration\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/infiltration.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/infiltration.svg?ver=0.5.11\" alt=\"Concept diagram: Water arrives at surface; Water crosses into soil; Runoff stays on surface.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/infiltration\/\">Infiltration<\/a><\/h3><p>Infiltration is the entry of water from the ground surface into the soil.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Irrigation Controller sprinkler timer irrigation timer watering controller\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-controller.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-controller.svg?ver=0.5.11\" alt=\"A controller panel takes schedule or sensor inputs and sends a control signal to a valve. The water supply pipe passes through the valve, not the controller.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/irrigation-controller\/\">Irrigation Controller<\/a><\/h3><p>An irrigation controller is a device that directs when an irrigation system waters and how long it runs.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Irrigation Coverage Area sprinkler coverage area watering coverage\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-coverage-area.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-coverage-area.svg?ver=0.5.11\" alt=\"A circular illustrative spray reach surrounds a smaller rectangular mapped target. An arrow from the device marks reach as a distance.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/irrigation-coverage-area\/\">Irrigation Coverage Area<\/a><\/h3><p>Irrigation coverage area is the surface over which an irrigation device or system can apply water under specified conditions.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Irrigation Flow Rate sprinkler flow rate irrigation GPM irrigation LPM\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-flow-rate.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-flow-rate.svg?ver=0.5.11\" alt=\"A pipe fills a container marked 2 US gallons while a timer reads 20 seconds. The calculation converts that measured volume and time to 6 gallons per minute.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/irrigation-flow-rate\/\">Irrigation Flow Rate<\/a><\/h3><p>Irrigation flow rate is the volume of water passing a point in an irrigation system per unit time, commonly measured in gallons per minute or liters per minute.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Irrigation Mapping watering map irrigation map area mapping line mapping point mapping\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-mapping.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-mapping.svg?ver=0.5.11\" alt=\"An overhead yard diagram contains a shaded rectangular area, a separate narrow line, and a separate point, representing three mapping choices.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/irrigation-mapping\/\">Irrigation Mapping<\/a><\/h3><p>Irrigation mapping is the definition of locations or boundaries that an irrigation system uses to direct watering.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Irrigation Water Pressure sprinkler water pressure operating pressure dynamic water pressure\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-water-pressure.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-water-pressure.svg?ver=0.5.11\" alt=\"A pressure gauge connects to a supply pipe before a sprinkler. A flow arrow follows the pipe, while separate labels distinguish pressure from flow rate.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/irrigation-water-pressure\/\">Irrigation Water Pressure<\/a><\/h3><p>Irrigation water pressure is the force per unit area exerted by water within an irrigation supply or device.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Irrigation Zone watering zone sprinkler zone station\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-zone.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/irrigation-zone.svg?ver=0.5.11\" alt=\"A controller sends separate signals to valves A and B. Valve A supplies two sprinklers; valve B supplies two emitters. Each valve operates its outlets as a group.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/irrigation-zone\/\">Irrigation Zone<\/a><\/h3><p>An irrigation zone is a defined area managed as one watering section, with its own watering settings.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-M\"><h2>M<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Micron Rating micrometer rating micrometre rating filter micron rating\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/micron-rating.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/micron-rating.svg?ver=0.5.11\" alt=\"A unit panel states one micrometer equals 0.001 millimeter. Two enlarged particles illustrate relative size without asserting filter capture percentages.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/micron-rating\/\">Micron Rating<\/a><\/h3><p>A micron rating states a particle-size level associated with a filter\u2019s ability to capture particles, expressed in micrometers (\u03bcm).<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-O\"><h2>O<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Obstacle Avoidance robot obstacle avoidance obstacle detection\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/obstacle-avoidance.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/obstacle-avoidance.svg?ver=0.5.11\" alt=\"A robot approaches a circular obstacle. A dashed straight reference line ends before the obstacle, while a curved route passes around it.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/obstacle-avoidance\/\">Obstacle Avoidance<\/a><\/h3><p>Obstacle avoidance is a robot\u2019s adjustment of its movement to reduce the chance of colliding with an object in its path.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Overseeding lawn overseeding reseeding existing lawn\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/overseeding.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/overseeding.svg?ver=0.5.11\" alt=\"Concept diagram: Existing lawn has thin gaps; Seed reaches exposed soil; New seedlings fill gaps.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/overseeding\/\">Overseeding<\/a><\/h3><p>Overseeding means sowing grass seed into an existing lawn to increase turf density or introduce suitable grass varieties.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Oxidation\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/oxidation.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/oxidation.svg?ver=0.5.11\" alt=\"Electron transfer from a material to an oxidizer: the material loses electrons and is oxidized. Symbols are conceptual, not a molecular reaction mechanism.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/oxidation\/\">Oxidation<\/a><\/h3><p>Oxidation is a chemical process involving loss of electrons; in pool care, oxidizers react with certain contaminants.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-P\"><h2>P<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Parts Per Million ppm\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/parts-per-million.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/parts-per-million.svg?ver=0.5.11\" alt=\"One enlarged purple marker in a water field represents one part of substance per million parts of mixture; approximately one milligram per liter in dilute water. Not a literal particle count.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/parts-per-million\/\">Parts Per Million<\/a><\/h3><p>Parts per million expresses a small concentration as one part of a substance per million parts of the mixture.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Path Planning robot path planning pool cleaner path planning adaptive path planning coverage path planning\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/path-planning.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/path-planning.svg?ver=0.5.11\" alt=\"A top-down pool outline contains a back-and-forth route, beginning at a marked start point and ending with an arrow.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/path-planning\/\">Path Planning<\/a><\/h3><p>Path planning is the process of selecting a route for a robot to follow within its operating environment.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Phosphates\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/phosphates.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/phosphates.svg?ver=0.5.11\" alt=\"Purple symbols represent dissolved phosphate nutrients near a stylized algae cell in water. Nutrient presence alone does not establish algae growth or treatment need.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/phosphates\/\">Phosphates<\/a><\/h3><p>Phosphates are phosphorus-containing compounds that can serve as nutrients for algae in pool water.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Pool Cleaner Filter Basket robot filter basket robot debris basket onboard debris basket\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-cleaner-filter-basket.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-cleaner-filter-basket.svg?ver=0.5.11\" alt=\"Debris-bearing water enters an open basket from above. Debris remains inside while arrows show water passing outward across the basket media.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pool-cleaner-filter-basket\/\">Pool Cleaner Filter Basket<\/a><\/h3><p>A pool cleaner filter basket is an onboard collection component that retains debris while allowing water to pass through its filter media.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Pool Filtration\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-filtration.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-filtration.svg?ver=0.5.11\" alt=\"Pool Filtration schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pool-filtration\/\">Pool Filtration<\/a><\/h3><p>Pool filtration removes suspended particles by passing water through a filter medium.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Pool Mapping robot pool mapping pool map ultrasonic pool mapping\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-mapping.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-mapping.svg?ver=0.5.11\" alt=\"An irregular pool boundary and one obstacle on the left are represented by a matching outline and obstacle on a grid on the right.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pool-mapping\/\">Pool Mapping<\/a><\/h3><p>Pool mapping is the creation of a representation of a pool\u2019s shape or features for a robot to use during navigation or cleaning.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Pool pH pH\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-ph.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-ph.svg?ver=0.5.11\" alt=\"Continuous pH scale from 0 to 14, acidic at the low end, neutral at 7 at approximately 25\u00b0C, basic at the high end. One unit is a tenfold change in hydrogen-ion activity.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pool-ph\/\">Pool pH<\/a><\/h3><p>Pool pH measures how acidic or basic pool water is. It affects disinfectant performance and water balance.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Pool Pump\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-pump.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-pump.svg?ver=0.5.11\" alt=\"Pool Pump schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pool-pump\/\">Pool Pump<\/a><\/h3><p>A pool pump moves water through the pool\u2019s circulation and filtration system using a motor-driven impeller.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Pool Shock shock treatment shocking a pool\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-shock.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-shock.svg?ver=0.5.11\" alt=\"Two illustrative product containers compare chlorine shock products with nonchlorine oxidizers. Nonchlorine oxidizer is not a sanitizer; actual product label determines use.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pool-shock\/\">Pool Shock<\/a><\/h3><p>Pool shock is a treatment intended to oxidize contaminants, often using a chlorine product, rather than a single chemical ingredient.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Pool Skimmer skimmer surface skimmer wall skimmer\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"740\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-skimmer-mobile.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-skimmer.svg?ver=0.5.11\" alt=\"Side section of a wall-mounted skimmer: surface water enters over the hinged weir, passes into the debris basket, and exits below toward the pump.\" width=\"900\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pool-skimmer\/\">Pool Skimmer<\/a><\/h3><p>A pool skimmer is a component of a swimming pool\u2019s circulation system that draws in surface water and collects floating debris, such as leaves and insects, before the water continues through the filtration system.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Pool Vacuum\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-vacuum.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pool-vacuum.svg?ver=0.5.11\" alt=\"Pool Vacuum schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pool-vacuum\/\">Pool Vacuum<\/a><\/h3><p>A pool vacuum uses water flow to collect debris from submerged pool surfaces.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Precipitation Rate sprinkler application rate irrigation application rate\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/precipitation-rate.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/precipitation-rate.svg?ver=0.5.11\" alt=\"Precipitation rate is the depth of water applied to an irrigated area per unit of time, commonly expressed in inches per hour. A collection example converts 0.25 inch over 15 minutes to 1 inch per hour.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/precipitation-rate\/\">Precipitation Rate<\/a><\/h3><p>Precipitation rate is the depth of water applied to an irrigated area per unit of time, commonly expressed in inches per hour.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Pump Strainer Basket\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pump-strainer-basket.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/pump-strainer-basket.svg?ver=0.5.11\" alt=\"Pump Strainer Basket schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/pump-strainer-basket\/\">Pump Strainer Basket<\/a><\/h3><p>A pump strainer basket is a removable perforated basket in the pump\u2019s strainer housing that intercepts larger debris before it reaches the impeller.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-R\"><h2>R<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Rain Sensor rain shutoff device rain shut-off sensor\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/rain-sensor.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/rain-sensor.svg?ver=0.5.11\" alt=\"Rain falls on a sensor. A dashed signal line connects the sensor to a controller, which pauses scheduled watering.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/rain-sensor\/\">Rain Sensor<\/a><\/h3><p>A rain sensor is a device that detects rainfall and can temporarily interrupt automatic irrigation.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Return Jet\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/return-jet.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/return-jet.svg?ver=0.5.11\" alt=\"Return Jet schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/return-jet\/\">Return Jet<\/a><\/h3><p>A return jet is a fitting that directs treated water from the circulation system back into the pool.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Robotic Pool Cleaner\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/robotic-pool-cleaner.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/robotic-pool-cleaner.svg?ver=0.5.11\" alt=\"Robotic Pool Cleaner schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/robotic-pool-cleaner\/\">Robotic Pool Cleaner<\/a><\/h3><p>A robotic pool cleaner is a powered device that moves around a pool and collects debris in its own filter or debris container.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Robotic Pool Skimmer floating robotic skimmer automatic surface skimmer robotic surface skimmer\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/robotic-pool-skimmer.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/robotic-pool-skimmer.svg?ver=0.5.11\" alt=\"A floating collector straddles the water surface. Floating debris approaches an intake, a basket sits inside, and a separate arrow indicates water leaving the collector.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/robotic-pool-skimmer\/\">Robotic Pool Skimmer<\/a><\/h3><p>A robotic pool skimmer is a powered floating device that collects debris from the pool\u2019s water surface in an onboard container.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Robot Navigation robotic navigation pool robot navigation navigation system navigation algorithm\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/robot-navigation.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/robot-navigation.svg?ver=0.5.11\" alt=\"Three boxes show sensing, estimating position or direction, and controlling movement. A feedback arrow returns movement information to the next sensing step.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/robot-navigation\/\">Robot Navigation<\/a><\/h3><p>Robot navigation is the process a robot uses to determine where it is and guide its movement through an environment.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Root Zone turf root zone rooting zone\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/root-zone.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/root-zone.svg?ver=0.5.11\" alt=\"Concept diagram: Grass grows above surface; Roots branch through soil; Root zone surrounds roots.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/root-zone\/\">Root Zone<\/a><\/h3><p>The root zone is the part of the soil occupied by a plant\u2019s roots, where roots take up water and nutrients.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-S\"><h2>S<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Saltwater Chlorination salt chlorine generator salt chlorinator\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/saltwater-chlorination.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/saltwater-chlorination.svg?ver=0.5.11\" alt=\"Salt water flows through a cell with electrode plates supplied by electric power, and chlorine is generated. Simplified process, not an electrical wiring diagram.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/saltwater-chlorination\/\">Saltwater Chlorination<\/a><\/h3><p>Saltwater chlorination uses an electrolytic cell to generate chlorine from dissolved salt in pool water.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Sand Filter\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/sand-filter.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/sand-filter.svg?ver=0.5.11\" alt=\"Sand Filter schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/sand-filter\/\">Sand Filter<\/a><\/h3><p>A sand filter captures suspended particles as pool water passes through a bed of specified filter sand.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Saturation Index LSI Langelier Saturation Index\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/saturation-index.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/saturation-index.svg?ver=0.5.11\" alt=\"Qualitative saturation-index axis with zero at equilibrium, negative toward calcium carbonate dissolution and positive toward deposition. Not a safe-water or general corrosion scale.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/saturation-index\/\">Saturation Index<\/a><\/h3><p>A pool saturation index estimates whether water tends to deposit or dissolve calcium carbonate under specified conditions.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Skimmer Basket\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/skimmer-basket.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/skimmer-basket.svg?ver=0.5.11\" alt=\"Skimmer Basket schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/skimmer-basket\/\">Skimmer Basket<\/a><\/h3><p>A skimmer basket is a removable perforated container inside a wall-mounted pool skimmer that catches larger floating debris before water flows toward the pump.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Skimmer Weir pool weir skimmer door\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/skimmer-weir.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/skimmer-weir.svg?ver=0.5.11\" alt=\"Skimmer Weir schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/skimmer-weir\/\">Skimmer Weir<\/a><\/h3><p>A skimmer weir is a movable flap at a wall-mounted skimmer opening that helps draw water from near the pool surface.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Soil Amendment soil conditioner soil improvement amendment\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-amendment.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-amendment.svg?ver=0.5.11\" alt=\"Two overlapping circles represent improving soil properties and supplying plant nutrients. The shared area shows that some materials can serve both functions.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/soil-amendment\/\">Soil Amendment<\/a><\/h3><p>A soil amendment is a material used to improve soil properties, such as structure, water retention or pH.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Soil Compaction compacted soil\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-compaction.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-compaction.svg?ver=0.5.11\" alt=\"Concept diagram: Loose soil: more pore space; Traffic compresses particles; Compacted soil: fewer pores.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/soil-compaction\/\">Soil Compaction<\/a><\/h3><p>Soil compaction is the pressing together of soil particles, reducing the pore space that holds air and carries water.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Soil Moisture Sensor SMS soil water sensor\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-moisture-sensor.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-moisture-sensor.svg?ver=0.5.11\" alt=\"A probe sits in root-zone soil. A dashed information line connects it to the controller, which checks a threshold before allowing or blocking watering.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/soil-moisture-sensor\/\">Soil Moisture Sensor<\/a><\/h3><p>A soil moisture sensor measures moisture conditions in the soil and can provide information to an irrigation controller.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Soil pH soil acidity soil alkalinity\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-ph.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-ph.svg?ver=0.5.11\" alt=\"Concept diagram: Below 7: acidic; 7: neutral; Above 7: alkaline.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/soil-ph\/\">Soil pH<\/a><\/h3><p>Soil pH is a measure of how acidic or alkaline a soil is.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Soil Texture sand silt clay soil textural class\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-texture.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/soil-texture.svg?ver=0.5.11\" alt=\"Concept diagram: Sand: largest particles; Silt: intermediate particles; Clay: smallest particles.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/soil-texture\/\">Soil Texture<\/a><\/h3><p>Soil texture describes the relative proportions of sand, silt, and clay particles in a soil.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Sprinkler Head sprinkler spray head rotor head\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/sprinkler-head.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/sprinkler-head.svg?ver=0.5.11\" alt=\"A sprinkler head is the outlet assembly that distributes irrigation water over an area through a nozzle. A labeled pop-up head shows the nozzle, riser, and supply pipe.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/sprinkler-head\/\">Sprinkler Head<\/a><\/h3><p>A sprinkler head is the outlet assembly that distributes irrigation water over an area through a nozzle.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-T\"><h2>T<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"lawn-soil-care\" data-search=\"Thatch lawn thatch\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"560\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/thatch.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/thatch.svg?ver=0.5.11\" alt=\"Concept diagram: Green grass shoots; Interwoven thatch layer; Mineral soil below.\" width=\"560\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Lawn &amp; Soil Care<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/thatch\/\">Thatch<\/a><\/h3><p>Thatch is a layer of living and dead grass stems, roots, and related plant material between green shoots and the soil surface.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Total Alkalinity TA\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/total-alkalinity.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/total-alkalinity.svg?ver=0.5.11\" alt=\"pH increases to the right. The same acid addition moves pH left from the teal before point to the purple after point: a larger decrease with less buffering and a smaller decrease with more buffering. Conceptual, not a numeric prediction.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/total-alkalinity\/\">Total Alkalinity<\/a><\/h3><p>Total alkalinity measures the capacity of pool water to neutralize added acid and resist changes in pH.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-water-chemistry\" data-search=\"Total Chlorine TC\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"650\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/total-chlorine.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/total-chlorine.svg?ver=0.5.11\" alt=\"Illustrative proportional bars: free chlorine 3 ppm, combined chlorine 1 ppm, total chlorine 4 ppm. Total minus free equals combined. Not target levels.\" width=\"600\" height=\"650\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Water Chemistry<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/total-chlorine\/\">Total Chlorine<\/a><\/h3><p>Total chlorine is the measured sum of free chlorine and combined chlorine in a water sample.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-U\"><h2>U<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Ultrasonic Sensing ultrasonic ranging ultrasonic sensor sonar sensing\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/ultrasonic-sensing.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/ultrasonic-sensing.svg?ver=0.5.11\" alt=\"A sensor inside a water-filled area sends a sound pulse toward a boundary, with a second arrow returning as an echo. The two paths are offset for readability.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/ultrasonic-sensing\/\">Ultrasonic Sensing<\/a><\/h3><p>Ultrasonic sensing uses high-frequency sound to detect features or estimate distance, often by timing a transmitted pulse and its returning echo.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-V\"><h2>V<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Variable-Speed Pump VS pump\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/variable-speed-pump.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/variable-speed-pump.svg?ver=0.5.11\" alt=\"Variable-Speed Pump schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/variable-speed-pump\/\">Variable-Speed Pump<\/a><\/h3><p>A variable-speed pool pump can run its motor at different speeds to suit different circulation tasks.<\/p><\/div><\/article>\r\n   <\/div><\/section>   <section data-glossary-group id=\"letter-W\"><h2>W<\/h2><div class=\"glossary-grid\">    <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Wall Climbing pool cleaner wall climbing wall-climbing pool cleaner\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/wall-climbing.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/wall-climbing.svg?ver=0.5.11\" alt=\"A side section shows the same conceptual cleaner on the pool floor and rotated against a wall. A curved arrow indicates the change toward upward travel.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/wall-climbing\/\">Wall Climbing<\/a><\/h3><p>Wall climbing is a pool cleaner\u2019s ability to move up or along a pool wall while maintaining enough attachment and traction to travel.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Water Circulation\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"680\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/water-circulation.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/water-circulation.svg?ver=0.5.11\" alt=\"Water Circulation schematic with components and arrows showing the water path.\" width=\"600\" height=\"680\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/water-circulation\/\">Water Circulation<\/a><\/h3><p>Water circulation is the movement of pool water through collection points, pumping and treatment equipment, and back into the pool.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Water Distribution Uniformity irrigation uniformity distribution uniformity watering uniformity\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/water-distribution-uniformity.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/water-distribution-uniformity.svg?ver=0.5.11\" alt=\"Two rows of four identical collectors show relatively similar water depths in the first row and different depths in the second, using the same test period.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/water-distribution-uniformity\/\">Water Distribution Uniformity<\/a><\/h3><p>Water distribution uniformity describes how evenly irrigation water is applied across an area.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Watering Depth irrigation depth applied water depth\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/watering-depth.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/watering-depth.svg?ver=0.5.11\" alt=\"An equivalent water layer sits above a soil layer, with a vertical bracket measuring applied depth. An example relates 0.25 inch over 16 square feet to about 2.5 US gallons.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/watering-depth\/\">Watering Depth<\/a><\/h3><p>Watering depth is the amount of applied water expressed as an equivalent layer over an area, usually in inches or millimeters.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Watering Schedule irrigation schedule sprinkler schedule\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/watering-schedule.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/watering-schedule.svg?ver=0.5.11\" alt=\"Three connected schedule fields show selected days, start time and duration. A note explains that weather rules can adjust the plan.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/watering-schedule\/\">Watering Schedule<\/a><\/h3><p>A watering schedule is a plan that specifies when irrigation runs and how long each watering event lasts.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"pool-equipment-cleaning\" data-search=\"Waterline Cleaning pool waterline cleaning horizontal waterline cleaning\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/waterline-cleaning.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/waterline-cleaning.svg?ver=0.5.11\" alt=\"Front view of a pool wall with a highlighted band at the water surface. A cleaner straddles the band, with a horizontal movement arrow above it.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Pool Equipment &amp; Cleaning<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/waterline-cleaning\/\">Waterline Cleaning<\/a><\/h3><p>Waterline cleaning is the removal of buildup from the pool wall at or near the water surface.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Water Usage Tracking irrigation water use watering usage history\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/water-usage-tracking.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/water-usage-tracking.svg?ver=0.5.11\" alt=\"Two illustrative meter readings of 1,000 and 1,020 US gallons give an interval total of 20 gallons. The readings are not an IrriSense app display.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/water-usage-tracking\/\">Water Usage Tracking<\/a><\/h3><p>Water usage tracking is the recording and review of water volume used over a defined period or watering event.<\/p><\/div><\/article>\r\n       <article class=\"glossary-card\" data-category=\"smart-irrigation\" data-search=\"Weather-Based Irrigation ET-based irrigation weather-based controller WBIC\">\r\n    <picture><source media=\"(max-width:600px)\" width=\"600\" height=\"720\" srcset=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/weather-based-irrigation.svg?ver=0.5.11\"><img src=\"https:\/\/aiper.com\/blogs\/wp-content\/plugins\/aiper-core\/glossary\/weather-based-irrigation.svg?ver=0.5.11\" alt=\"Sun and weather information plus landscape settings feed a controller panel. It estimates changing landscape need and adjusts the watering schedule.\" width=\"600\" height=\"720\" loading=\"lazy\" decoding=\"async\"><\/picture><div><p>Smart Irrigation<\/p><h3><a data-glossary-link=\"term\" href=\"https:\/\/aiper.com\/blogs\/glossary\/weather-based-irrigation\/\">Weather-Based Irrigation<\/a><\/h3><p>Weather-based irrigation adjusts watering schedules using weather information and landscape conditions.<\/p><\/div><\/article>\r\n   <\/div><\/section>  <\/div>\r\n  <script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"DefinedTermSet\",\"@id\":\"https:\\\/\\\/aiper.com\\\/blogs\\\/glossary\\\/#terms\",\"name\":\"Pool \\u0026 Lawn Care Glossary\",\"inLanguage\":\"en-US\",\"url\":\"https:\\\/\\\/aiper.com\\\/blogs\\\/glossary\\\/\"}<\/script>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"aiper_reading_time":1,"aiper_last_reviewed":"","aiper_reviewer":0,"aiper_related_ids":[],"aiper_layout":"tool","footnotes":""},"class_list":["post-13585","page","type-page","status-publish","hentry"],"lang":"en","translations":{"en":13585,"de":13740,"fr":13741,"es":13742},"_links":{"self":[{"href":"https:\/\/aiper.com\/blogs\/wp-json\/wp\/v2\/pages\/13585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aiper.com\/blogs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aiper.com\/blogs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aiper.com\/blogs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/aiper.com\/blogs\/wp-json\/wp\/v2\/comments?post=13585"}],"version-history":[{"count":1,"href":"https:\/\/aiper.com\/blogs\/wp-json\/wp\/v2\/pages\/13585\/revisions"}],"predecessor-version":[{"id":13594,"href":"https:\/\/aiper.com\/blogs\/wp-json\/wp\/v2\/pages\/13585\/revisions\/13594"}],"wp:attachment":[{"href":"https:\/\/aiper.com\/blogs\/wp-json\/wp\/v2\/media?parent=13585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}