Re: Strange issue with Alkalinity and pH
See our last posts, but also: I reread your OP and I think your question was about why they recommended 80-100 TA. Jim can correct me if I'm wrong since I know only a little about SWGs. I believe the SWG system causes a certain amount of aeration/out-gassing which lowers TA a bit over time.
26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO
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