Is my PH to high?

I think it should be fine but I wonder why its that high... What brand of salt are you using? Also, Have you done an alk test?
 
should be fine, I run mine at 8.3 but I agree I would try yo figure out what is causing it to go up. check a few hours after the lights go out to see what it drops to.
 
You'll get a more accurate idea if you test it right before lights come on and right before lights go off.
 

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