SJ55 and chlorine production


Well-known member
May 3, 2014
This is my 2nd year with my SJ55. I know they don’t start generating chlorine until water is above 60 degrees. Mine really kicks in and seems to work better once water hits a steady 80 degrees. In the 60-70 degree range, it barely keeps my FC at 4ppm. I’m guessing the water temp is the reason? It was the same way last year, and then it suddenly starts producing more and the only difference is the temperature

CYA = 70


Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
Laughlin, NV
Once the SWCG starts working, rising water temperature should not have any effect on chlorine production.

When the water is cool, could it possibly be offline part of the time until the water warms during the day enough to satisfy the SWCG?