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  1. J

    Interpreting test numbers

    Need some help here...I have a 15' x 42" Easy Set pool. Water is about 28" deep. I am going crazy looking online for answers to what I need to do to keep the pool safe/clean/balanced! I put in a 1 lb. hth Shock 'N Swim package (Walmart) tonight as I kept getting reading of 0 FC on my test...