9000 Gallon Fiberglass IG / Sta-Rite pump,cartridge filter & heater / PoolPilot Dig 220-36 SWG / Testing w/K2006
PH will not change much with the addition of chlorine and chlorine level will not change with the addition of acid or PH up so why not do both at the same time? Large Ph change is usually gradual over a few days anyway. Also, CH & CYA level is not affected by any of the others so I would measure all and adjust for PH, CL, CYA and CH all at once. The only thing that is dependent on one another is PH and TA. TA adjustment generally takes a while depending on which direction you go and what your PH level is.
Mark
Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater
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