Phosphates, Algae, and Chlorine Demand
High phosphates seem to weaken chlorine, as evidenced by low chlorine readings, lowered ORP, and the most visual of all evidence: algae. What’s really going on?
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High phosphates seem to weaken chlorine, as evidenced by low chlorine readings, lowered ORP, and the most visual of all evidence: algae. What’s really going on?
What kinds of phosphates might be in a swimming pool? There are several variations, and this article will outline some of them. Mainly, we want to illustrate that some phosphate compounds will not show up on an orthophosphate test kit.
Phosphates in pool water have become a common problem, yet the topic is largely misunderstood or misrepresented. Do you know what phosphates are, where they come from, and why they cause issues for pool chemistry? If not, this article is for you.