Low ph?

after so many years I have gotten a bit lazy. So I decided I'd start testing my water regularly again.
It appears my PH is low? I dunno, these API colors kill me. I was instantly reminded of why I sort of stopped testing, besides the laziness of course, it's just hard to determine these colors.
I did the test after sunrise lights had been on for an hour. I will test again in a few hours. I've never dosed or treated but maybe I need to do something to raise my ph. I know opening a window is supposed to help but as I live in tropical Ohio, that isn't an option most of the year.


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