Last year pool was cya 80, ph 7.8, ta leveled out at 110 beginning of July, SWG on 8 hrs a day cya and ph never budged.
this year, cya 80, ph 7.4, ta 100, SWG on 8 hrs a day. Tried to get ph up to 7.6 to improve csi and it won’t budge. In this pool ph stays solid where ever it is.