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Hello, My TA is too high at 100 with my PH at 7.0. What is the best way to lower the TA without putting the PH to low? According to Pool Math if I add 1.5 kilograms of dry acid, my pH will drop by 1.3 and my TA by 22.0. How fast will the pH rise with aeration, rather than Borax? Thanks in...