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Hello! I am new to this site and just looking around it is awesome! I had pool water tested today at local pool store and the readings were as follows: Free Chlorine 0.3 Total Chlorine 4.18 Combined Chlorine 3.88 CYA 89 PH 7.4 Hardness 308 Alkalinity 113 Adjusted Alkalinity 83 Copper 0 Iron 0...