I've been trying to get my TA down (currently around 150) following the directions on this site to lower pH then aerate. My problem is that I can't seem to get my pH below 7.5. I read somewhere that you shouldn't add more than 1 pint of MA per 10,000 gallons per day. My pool is about 15,000 gallons, so I've been adding 1.5 pints per day, but this seems necessary just to keep the pH at 7.5.
This is a new plaster pool (completed in April) . Here are my complete test results: