I joined TFP and got Pool Math app last August after struggling for years to do my pool with way too much help and expense from Leslie's Pool store! I got the Taylor 2600 kit, stopped using the tabs and started with just liquid chlorine and liquid acid. I have been really happy with how the pool has slowly become more balanced, except for the last few months I cannot seem to control my ph. I used to only need to add acid maybe 1-2 times a month, now it is every 2-3 days! Here is an example:
5/11/20, FC 3.5, Ph 7.4 (after adding acid earlier that day), TA 70, CH 300, CYA 30.
5/13/20 FC 3.5, Ph 8, TA 70
Now that I have with time gotten my CYA down from about 90 when I started here to 30, my chlorine amount has lessened. The TA has been running at 90 for several months but a month ago it was 80 and now is running 70....is this related? Help??
5/11/20, FC 3.5, Ph 7.4 (after adding acid earlier that day), TA 70, CH 300, CYA 30.
5/13/20 FC 3.5, Ph 8, TA 70
Now that I have with time gotten my CYA down from about 90 when I started here to 30, my chlorine amount has lessened. The TA has been running at 90 for several months but a month ago it was 80 and now is running 70....is this related? Help??