Are you sure those test results are correct? How are you testing?
Because, if CC=20 and TC=20, then FC=0 which means you have NO free chlorine.
Re: Running out of POP!
Are you sure those test results are correct? How are you testing?
Because, if CC=20 and TC=20, then FC=0 which means you have NO free chlorine.
Oval 12.5K gal AGP; Hayward 19" sand filter; Pentair Dyn 1 HP 2sp pump on timer
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