So I just SLAMed my pool and everything is awesome! Before the SLAM my cya was 50 and now it’s 40. I’m adding a gallon of bleach each night to keep it in the 6-8 range which is normal. At what point would I be queued to raise my cya to 50? Once it took 2 gallons or more each evening? Seems like a dumb question now that I’ve typed it out.
CYA rule of thumb?
- Thread starter David0408
- Start date
- May 3, 2014
- 58,710
- Pool Size
- 6000
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-40
Watch your FC consumption. If it goes up due to the summer sun, raise your CYA by 10 ppm. Just make sure to follow FC/CYA Levels
If you're convinced the SLAM is complete and you'll never have to endure one again, raise the CYA to deal with the Texas sun. Go up to 50. If it still loses a bunch, try 60. Don't go higher than that if your using bleach.
How much time has to go by before I know for sure the SLAM was successful? Friday will be a week.
- May 3, 2014
- 58,710
- Pool Size
- 6000
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-40
Read the SLAM Process article. The three criteria are explained.
First is to have crystal clear water.
First is to have crystal clear water.
You'll know. Many people stop a SLAM too soon and call it clear when it's really still cloudy. Then later on it gets better and better and then they really know what clear is. Or they fudged a little on the OCLT... where they tested it a little after sunrise and it lost 1.2 but they justified it as solar losses. If you know you did it right and it is complete, then it was successful. If there's any lingering doubt, wait a few days and see if you have an algae relapse.