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  1. W

    Pool Startup no CYA

    Just opened my pool yesterday and my reading are as follows: FC 5 CC 0 PH 7.8 ALK 170 CYA 0 I didn't do Calcium due to being a vinyl liner. I have a 32,000 gal, Pentair 1hp whisper flo, Pentair Sand Filter, automatic cover. The water is crystal clear. Should I bring up my CYA first?
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