Quote Originally Posted by waterbear View Post
No, the act of adding acid makes TA drop since it converts bicarbonate to carbon dioxide which then gases off. Aeration raises pH with no effect on TA. Borate does add to TA so even though you have removed some bicarbonate by adding the boric acid you have replaced it with borate, which is still measured as TA
Thanks for the explanation. The TA reading in my post was before adding boric acid. Out of curiosity, I'll check it again to see what TA now reads.

sigh........looks like we may be in for more flooding rains this weekend.