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Hey there fellas! I recently bought a house with a indoor swimming pool. I'm completely new at this. I started reading up and then I ran some tests (pH, FC, TA, CYA, Br) and got the results: pH: 7.8 FC: <0.1 Br: <0.2 TA: 175 CYA: >200 Since the CYA levels were sky high I drained and replaced...