- May 3, 2014
- 58,691
- Pool Size
- 6000
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-40
If the dilute CYA test resulted in 200, your CYA is even higher than that. So, it is time to drain the pool and fill with fresh water.