What are your other chemical levels? If you've got no (or low) CYA that would explain the FC loss during the day. If you do, you may well be fighting algae.
Re: My P.O.P. is gone. need help again
What are your other chemical levels? If you've got no (or low) CYA that would explain the FC loss during the day. If you do, you may well be fighting algae.
rectangle 11.5K gal IG concrete pool;; 125sf cartridge filter; 2hp 1 speed pump; K-2006, k-1766; PF:10
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