OK. You are going to need to double that amount and get your FC to 25ppm, and keep it there, now that I know that CYA > 100. Don't worry about TA or CH, but get your pH up over 7, first.
Re: Green pool with clogged sand filter after 2 weeks out of town
OK. You are going to need to double that amount and get your FC to 25ppm, and keep it there, now that I know that CYA > 100. Don't worry about TA or CH, but get your pH up over 7, first.
Carl
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