Testing salt vs SWCG reading and making the two meet...


LifeTime Supporter
Aug 25, 2011
Northville, Mi
During the season when water temps are normal, if I use an aquachek test strip I'll usually get close to the same reading as my IC40 reports. When it's colder, not so much. Currently with the water at 55 degrees or so the aquachek says I'm at 2190 (target is around 3400) and the IC40 says I'm at 1650. I expect to have lost salt over the winter, but not 4 bags worth. And I'd like to get this around for when it warms up enough to turn the heater on and start swimming.

So...are the strips temperature sensitive like the intellichlor? Should I take a sample and bring it inside and let it warm up to room temperature and try again - would that even work? And is the taylor test more reliable than the strips?


Gold Supporter
TFP Guide
Jul 21, 2013
Northern NJ
Pool Size
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
K-1766 salt test is more accurate then test strips.

Different methods of testing salt get different results. If they are close it is more of a coincidence.
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