- Sep 23, 2015
- 2,012
- Pool Size
- 20000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Astral Viron V25
@Leebo, I found a small typo in the CH section on the Old PoolMath webpage. It says, “...when their CH is at the top ‘of’ bottom of the suggested ranges.” And I believe it should say, “...top ‘or’ bottom...”