Hi Everyone,
Background: Inground, Vinyl, 23,000 gallons, FC 9, PH 7.2, CYA 80, Alk 100, Hardness 200
I use liquid chlorine to shock & 3"puck in 2 skimmers with pool pump running 7 x 24
Currently Shocking as FC was 0 yesterday AM
No FC so I added 3 pucks (2 skimmers & 1 floater).
Fri 12:00...