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Happy Independence Day to the US. Just did another full test today. These are are the results: FC 2.5 ppm CC 0.5 ppm TC .03 ppm TA = 160 CH = 300 CYA 70 pH 7.8 The FC seemed low, so I put in a 3" chlorine puck in the floating chlorine dispenser. Should I put in more than one puck at a...

Did the first complete test this morning. These are the results: TC = 4.5 ppm (FC = 4.5 ppm and CC = 0) TA = 220 Calcium = 240 CYA = 80 pH = 8 (might be 8.2, was pretty pink) The main concern is the TA, which seems way high, like twice what it should be. I measured TA twice. Once in the...

I just ordered the TF100 kit, but I have some other more basic questions. A pool service has been taking care of the pool for about the last year while I was working in a distant location and I have finally moved into the home. The pool is an in-ground installation, with a plaster bottom. It's...