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  1. H

    Just got a TF-100 test kit and did measurements

    I hope it is okay to post this here. I read several of the other posts and some had readings close to mine and I also plugged them into the calculator, but I would like reassurance before making changes -- how much of what to add and what order. My readings are: FC - 5 CC - 0.5 PH - 8.2 TA -...