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Almost every year, devastating wildfires burn in the western United States and Canadian forests. Even if you are far enough to not see the flames and smoke, swimming pools in the region may still be affected. Wildfire ash and soot can travel hundreds of miles.
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.