CYA is about 200 ppm and FC is about 20 ppm. I plan to drain the pool this fall and put in fresh water. Trichlor tabs are great, but I found out the hard way that 1. You can't trust cheap test strips and 2. CYA is not easy to get rid of.
FC/CYA
- Thread starter Larry21
- Start date
- Jun 22, 2014
- 47,727
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Yes.... hard lessons we all leanred at one time or another. 
At least now you know. Welcome! 
At least now you know. Welcome! 
- Jun 7, 2017
- 8,980
- Pool Size
- 29000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Jandy Aquapure 1400
Why would you wait until Fall? I would not swim unless you can keep the water sanitized.
Hi Larry, welcome to TFP.
Yeah I agree with the Gate. I would at the minimum do a partial drain to get that CYA down. The amount of FC needed to keep that pool properly sanitized would not be cost effective.
Yeah I agree with the Gate. I would at the minimum do a partial drain to get that CYA down. The amount of FC needed to keep that pool properly sanitized would not be cost effective.
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