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After a complete pool refill, and aswitch to BBB with 50 ppm borates (20 Mule Team Borax), I find that I need to add acid every day in order to keep the pH below 7.8. Here are this morning's numbers: FC 4 TC 4 pH 7.8 TA 75 Borates 50 CH 210 CYA 45 The pool has a spillover spa, which...

First time pool owner, longtime engineering geek. I was originally quite frustrated with all the conflicting advice I was getting from everyone. Then I found TFP. Thanks for the site! One evening of browsing has taught me more than 6 months of "free" advice from the local pool supply...