Question on TA and PH

Hi all, my PH is at 7.2 and TA at 80. Is this ok or should I add borax to increase to 7.5? I don't have any kind of aeration device.will my PH eventually start increasing(and how much) or does it stay the same all the time? If I just keep it at 7.2 will it increase in its own and being at 7.2 is this ok? Does TA fluctuate? Thank you all as my pool has been crystal clear thanks to TFP. Thanks again
 
You are currently fine. TA should not really fluctuate beyond changes due to splash-out and water replacement (if the TA is different) or rain water addition.

pH in the 7s is fine ... pool use and rain aeration may raise it some.
 
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