- May 30, 2012
- 1,619
- Pool Size
- 17000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool Edge-40
Is the white discoloration on tile grout calcium build up? I've gotten my CH down to 320 (from 450). Our tap water isn't much better (lots of white build-up around faucets indoors). What's the best (safest) way to clean it? I tried scrubbing, but doesn't do much.