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    Chasing tail?

    My TA has been low so ph is raising rapidly when I lower with liquid muriatic acid. Have been adding baking soda to raise the TA and although it says it will raise the ph “a little”, when I raise the TA from 70 to 100 (15K pool size), it raises the ph from 7.2 to 8.5. So I wait half an hour and...
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    Can't Lower CYA

    Shade or sun I cannot get my CYA level below100. I drained and refilled my 15K pool in June read 35 the day it was refilled out of the faucet. I’ve read the best way to lower is to refil but I can’t do that every 6 months. Also a R/O system can take ya out, that seems like a BIG R/O system not...