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So does this mean leave it alone and watch? I like this as I can't believe I should be fussing so much. How do you suggest I keep my FC at 19 and keep my CC low? - - - Updated - - - I followed the TF 100 recommendation chlorine test drop. My FC was 19 and my CC was 40.5. I have not added or...

I am new to the forum and just received my TF 100 kit Here is what I have FC:19 CC:40.5 CYA:40 pH 8.2 TA 240 Greenish tint but clear Pool store has told me I have had a "chlorine lock "for 2 years. The pool calculator tells me to add muriatic acid but to not add bleach. I have never used...