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I purchased a home last year with an in-ground pool. See my pool profile information. I have spent probably 5 hours online reading reviews. Too much of what is now on Google are simply advertisements, and of course are biased. Here's a synopsis of my pool cleaning "history": 1. House came...

I have an 18,000 gallon in-ground pool, with propane gas heater + passive solar heater, pentair sand filter. I am the 2nd owner and the original owner never tested for cyanuric acid (CYA). Despite levels of CYA > 500 the pool was crystal clear and free chlorine was adjusted by me using liquid...

I am new to this forum. As a physician-scientist I feel it is imperative to try to understand biological mechanisms and relationships as much as humanly possible. I recently purchased a home with an in-ground pool. The stats re the pool are shown in my signature. As an aside I had a formal...

I have always loved chemistry so the issue of pool chemistry is actually fun for me; but I will have to relearn stuff from many years ago. I just "inherited" a pool in the house we purchased where the original owner scoffed at the finding of very high cyanuric acid levels (> 300 with 50:50...

Just bought a new house with an in-ground pool that is at least 12 years old. It is chlorinated, uses a Polaris 380 as pool cleaner, has a Pentair Meteor Sand filter, propane gas heater and solar heater. The pool contains about 18,000 gallons of water. I have had 2 pool serviceman. The first...