Okay sweet, I also see that my fc calculation with the pool math app says add 2 gallons to get it to 12 fc from 6 fc. I did that and I tested an hour and a half later and it was 21fc and my cc was 0 ?? also I'm guess my fc calculation is off because I'm not at 30 cya yet since I can only get to the sock every 2 hours.
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