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A few weeks ago, I came home from a trip to a pool full of algae. I slammed it according to the TFP method, which seemed to work. However, about a week ago, the algae came back. I slammed it again, this time being much more careful and frequent with my chlorine measurements. Three nights ago, it...

Has anyone tried making the R-0871 reagent at home? I can order deionized water and ferrous ethylenediamine sulfate from City Chemical or Fischer Scientific, and it would be a lot cheaper than buying the Taylor reagent. My preliminary calculations (admittedly based on a guess about the molar...

When I do this test, the instructions for the Taylor 2006-K test kit say to add the cloudy solution to the tube until the black dot "just disappears" when viewing from the top. Does "just disappears" mean that the dot starts to become difficult to see, or that it stops being visible at all...

I am curious as to whether anyone has stumbled across this article, and what anyone might have to say about it. It seems to say that SLAM shouldn't work. Is Superchlorinating The Best Way To Eliminate Chloramines? - AQUA Magazine

I am considering installing a Stenner pump (or a similar apparatus) to continuously add chlorine to the pool. My wife and I take frequent trips, and I am tired of coming home to algae. I am in southwest Florida, which means the pool gets a lot of intense sun. It is about 12,000 gallons and has...