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    New to BBB, read but do not toally 'get' Pool School. 1st #s

    New TF-100 results (wish I had known about discount for membership, would have done that...): FC - 2.5 + CC - .5 = TC - 3 PH - ~7.1 TA - 80 CH - 420 CYA - 70 I think, this is a hard one to be sure... Borates from new test strip somewhere between 15 and 25, hard to tell exact shade. Water is...
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    Starting Borax after shocking the @#$%^ out of pool - 2 ?'s

    Hello, Been adding a box of Borax a day for five days, sort of hedging bets until my Borax test strips came in... A little over 15 (maybe 18) right now. 24.5k gallon pool (so says builder but my calculations last week on clorine loss says about 27k...) So... 1. How much more Borax should I...