Very high chlorine with SWG

Of course, we need a full set of test results to offer any informed advice. At a minimum CYA, FC and CC.

We do not know if what you consider "very high" to be different than what we consider high ... very dependent on your CYA.
 
So how long were you running the SWG before you turned it down to 1 hour? Have you had a cover on it?
Kind of puzzles how it suddenly got high recently.

BTW, as you likely know, the minimum FC for your CYA of 60ppm is 3ppm of FC. Also realize, you are safe to swim up to shock level FC. For your CYA, anything under a FC of 24ppm is not a problem.

So if you can stand the weather and pool temp ... :swim:
 
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