Side effects of salt on lower range of acceptable

kevin.gt

Bronze Supporter
Aug 7, 2020
30
Atlanta, GA
I’m curious what the outcome would be of running your SWG with salt in the lower range of operational?

I recently got the Taylor k-1766 and know I now have 3200 ppm, but likely ran with 2800 ppm or possibly less for a bit. Should I expect any difference in chlorine output?

I know if it dips too low the chlorinator will detect it and stop, but what about just before then. Anything different happen chemically? Any less efficient with lower salt?
 

cowboycasey

Gold Supporter
LifeTime Supporter
TFP Guide
Jul 3, 2013
8,648
Southern OK
Pool Size
15000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
CircuPool SJ-40
As long as the SWG does not complain about the salt, light blinking, then it is fine... It will let you know if it is not happy.. Lower "may" create a little less chlorine but I doubt it.. :)
 

Oly

Gold Supporter
Jun 28, 2017
2,339
Fresno, CA
Pool Size
27000
No effect. Post your SWG info in your signature. ..edit found it... If it gets too low you will see some type of warning and a decrease in FC production. Testing with your K-1766 is smart.
 
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ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
29,081
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
For the IntelliChlor...
  • 3600 ppm of salt is recommended for optimum water condition.
  • Low salt concentration below 2600 ppm will cause the unit to turn off
  • High salt concentration above 4500 ppm may cause excessive corrosion or deterioration to pool equipment and surrounding surfaces in and around the pool.
Chlorine production varies with salt ppm a bit. You will get a bit better chlorine output at 3600 ppm then 2800 ppm.
 
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kevin.gt

Bronze Supporter
Aug 7, 2020
30
Atlanta, GA
Thanks everyone for the quick replies. From what I’m gathering running on the low side is totally fine, just need to watch for alerts if it dips too low (I do loose a little over time from the overflow drain I believe and my screenlogic reports about 200 ppm less than Taylor)
 

Newdude

Gold Supporter
TFP Guide
Jun 16, 2019
11,221
NY
Pre TFP I relied on the cell ‘idiot light’ to tell me when it was low. Most years I needed to add a bag mid season to shut it up.

After TFP i learned that I hovered around 3k and my IC60 worked fine to 2800. With a +/- 200 ppm variance of the K-1766 test, I don’t know if that was truly 2800, Or anywhere between 2600 and 3000, but it did not shut off until I tested 2600.
 
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