CYA Level

[u2crewdawg]

I am a little confused as to what the CYA level should be with an IC40? I read in the pool school section that it should be 70-80 for a salt water pool, however the intellechem controller says less than 30 ppm. Which should I go with and what’s the theory if it’s supposed to be higher? Why would Pentair recommend a lower level? Thank in advance for any advice and education

Mike

 

[JohnT]

I am a little confused as to what the CYA level should be with an IC40? I read in the pool school section that it should be 70-80 for a salt water pool, however the intellechem controller says less than 30 ppm. Which should I go with and what’s the theory if it’s supposed to be higher? Why would Pentair recommend a lower level? Thank in advance for any advice and education

Mike

Welcome to TFP!

Where are you seeing “less than 30ppm”?

Both the Intellichem and Intellichlor manuals say 30-50ppm. It will work there, but will also be fine at the 70-80ppm level. The advantage of the higher level is that your cell will last longer.

 

[u2crewdawg]

Welcome to TFP!

Where are you seeing “less than 30ppm”?

Both the Intellichem and Intellichlor manuals say 30-50ppm. It will work there, but will also be fine at the 70-80ppm level. The advantage of the higher level is that your cell will last longer.

It’s on the intellichem. I attached a picture

 

[ajw22]

Follow the * to page 27 in https://www.pentair.com/content/dam...ller_Installation_and_Users_Guide_English.pdf

Pentair guidelines take SWG CYA up to 50 which is the low end of TFP recommendations. TFP recommended levels are not based on using ORP sensors. My understanding is CYA can interfere with ORP sensors. So the Intellichem is outside the scope of TFP recommended levels.