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  1. M

    High CYA in PA

    We have been battling high Alkalinity and high CYA since we opened our pool about a month ago. Currently (using TF Kit we bought online): FC = 2 CC = 1 TA = 120 CA = 320 CYA = 110 25,500 gallon inground concrete pool. Water temp 78. Our TA is in much better shape at this point in time. We...