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So far, I've added 1.25 gallons of the 14.5% muriatic acid with the pump running and aeration. Most recent pH check was around 7.0 and my TA is now down to 90. :) I'll keep it up until it's down to 60 or so. When I moved into the house in October the TA was 240 - so I've come a long way!

I've been working at the TA today... Using an aerator and running the pump (SWG aerates some too IIRC). I added 1/4 gallon of acid (I think it's only 14.5% tho :x - need to pay more attention to the strength when buying it next time!) and then checked the pH about an hour later and it was 7.5...

No, it's to help buffer the pH rise with the SWG; I've been adding acid about every day or every other day... I guess I should just keep adding acid until the TA gets to 80 or so? What's the most acid I can safely add at one time?

I would like to add borates to my pool, but I have been attempting to lower my TA first. Here's where I'm at now (using TF-100 kit): Pool - 13,000 gallons inground, pebbletec, SWG pH - 7.5 TA - 120 CH - 330 TC - 4.5 Salt - 3900 CYA - 90 I checked my fill water, and the TA for it is 200 :(...