Hello, I run my Filter/ pump over night, every night. With Automatic Heyward Clorinator. In the morning when I test these are the readings I have: 0 total Alkalinity, 6.2 PH, 2 PPM Free Chlorine. When I test 2 to 3 hours later, TA and PH readings are the same, but FC then shows 0.
From my...