Pool Water Chemistry
What Are Phosphates?
Phosphates are phosphorus-containing compounds that can serve as nutrients for algae in pool water.
Understanding the Concept
Phosphates can enter through source water and material carried into the pool. A phosphate reading measures a nutrient, not the amount of living algae.
Common Misunderstanding
Phosphate removal does not replace sanitizer, circulation and filtration. A test result alone does not diagnose the cause of cloudy water.
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