Hi, I am a new user and I hope you can help me.
I have an in ground plaster pool, approx. 15,000 gallons. Cartridge filters. Hayward pump. No heater.
Last water read:
PH 7.2
TA 80
CA 55 CH 375
TDS 900
PHOS 100
I have staining around walls. I have done the abscorbic stain remover test but it...