Is it ok to leave SWG on when water temp is too cold?

howardtopher

Member
Sep 22, 2019
22
Chattanooga, TN
This is my first season with a SWG. I have the Circupool RJ45+ installed in May. I've adjusted down to 12-hour pump/SWG run time and at 5% power, which is expected as we have lower chlorine demand now. This is keeping chlorine levels perfect. However, now it's getting to where the water temp in the morning is just below the operating temp of the SWG (63 this morning and the SWG cuts off at 65). It's blinking the generate light and complaining about the water temp, as expected. My question is if it's ok to leave it in that state and just let it start generating when the water warms up (it's going to be sunny and 75 today so it will warm up) or if I should disable the SWG now and go back to manually adding liquid chlorine. My main concern is damaging the cell. I have historically not closed down the pool until water temp stays consistently below 60, so not quite there yet.
 

YippeeSkippy

Mod Squad
Gold Supporter
LifeTime Supporter
Jan 17, 2012
17,725
Evans, Georgia
For simplicity I turn my SWG entirely off when the water is too cold and dose with liquid chlorine as needed. Save electricity too maybe? The chlorine lasts such a long time and I only test every 2-4 weeks in the fall/winter and never have had a problem.
Note though that I do have an autocover so I'm sure that contributes to the ever-so-slow loss of FC. I like the pool to be open a lot though!

Maddie :flower:
 

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Texas Splash

Mod Squad
TFP Expert
LifeTime Supporter
Jun 22, 2014
33,855
Texas, San Antonio/Marion, South-Central Area
Pool Size
17888
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
CircuPool RJ-45 Plus
When the temps do finally stay steady below SWG operating temps, I generally just turn my module off and leave the cell in place. But be prepared to remove the cell if you lose power for an extended period of time if you are below freezing.
 
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