Good that it was only a 1ppm drop in chlorine overnight. A CYA of 50 is good. It is not a precise test so hard to hit a target exactly. You are correct to wait until the chlorine drops some to test and adjust pH and alk.
Re: I have the "pinks" (instead of the blues!).
Good that it was only a 1ppm drop in chlorine overnight. A CYA of 50 is good. It is not a precise test so hard to hit a target exactly. You are correct to wait until the chlorine drops some to test and adjust pH and alk.
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