So I have a 28K pool and every year I add 1/3 new water to my pool to get my CYA down to 30. This year they checked it and said its zero. I asked how that's possible and they said it dissipates over time. Is that true?
Last year I lost all my cya and the water never turned green. (turning green can create a condition where the cya is converted to ammonia then neutralizes, but sometimes the ammonia doesn't convert but thats a whole other topic) It rained a ton though and I must have drained a few
feet of water.
but ya, it can happen.
This winter I didn't lose any and it still rained plenty...go figure.
I actually went to Leslies which I never do, only because my wife put my test kit up for winter I can not locate it. Go figure. Also this year I had a lot of white powdery stuff that settled to the bottom 3 days after I opened it. I have nver had that happen, it covered the entire pool bottom.
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