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  1. K

    Glad to be here! I have some pesky CC in my hot tub

    I am from central Indiana and I just bought a hot tub and the water clouded up after a few days. High alkalinity, hardness and pH - it took me a bit to find my way to lower the alkalinity to around 50, add some borax and I now have stable pH. Turns out the groundwater here is about ~350 ppm...