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I am a second year pool owner and decided to give the BBB method a try here are my numbers, I think I am good but wanted a second opinion Pool is 40,000 gal plaster FC 6.5 PH 7.4 (I have to add 1/2-1 gallon of acid per week to keep this down below 8) TA 60 CH 250 CYA 65 Water is clear Any...