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  1. J

    No combined chlorine

    Hello, My PH is 7.2 Free Chlorine is 5.5 Combined Chlorine is 0.0 CH is 280 TA is 110 35,000 gallon pool. I have shocked my pool twice. Once with Non chlorine shock 8 lbs and once with 8 gallons of 11 percent Chlorine. I do not know what to do. Please help. Thanks