From TA 20, I must have lost count when adding baking soda, because it shot up to TA 130! More muriatic acid, and I got the TA to 60 and pH to super yellow. Lol. 6.4?? I've aerated for a few hours. TA still at 60, and pH at 7.0 now. I'm hoping a bit more aeration, and I'll get to pH 7.5 and TA 50.