From microscopic algae and bacteria to debris and wildlife, learn professional remediation techniques to keep your pool biologically safe and visually pristine."
21 articles

Heavier dirt responds to vacuuming to waste or a robotic cleaner with its own onboard filtration, but very fine silt or dust is often…

Floating scum on a pool’s surface is usually oils — sunscreen, lotion, and body oil residue — combined with dust and pollen collecting at…

Broken glass in a pool turns a normal afternoon into a safety problem immediately, and how you handle the next twenty minutes matters more…

Shocking a pool and watching slimy biofilm come right back anyway leads a lot of owners to assume something’s wrong with their chlorine. Nothing…

Heavy rain, then a pool floor suddenly covered in worms that weren’t there the day before, is one of the most unsettling surprises for…

Every fall, pool owners destroy perfectly good equipment trying to solve a leaf problem. Cracked skimmer baskets, burned pump seals, clogged suction lines that…

Most pool pest problems are food problems. The clerk sells you a floating trap or a bottle of something, you go home, and three…

You notice it on a Tuesday. The water looked fine on Sunday. Now there’s a green tint sitting in the deep end, and when…

There’s a particular frustration that comes with finding those dark, almost black spots dotted along your pool walls and floor, especially after you’ve already…
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