I have about 30 ppm borates and a solid TA of about 80, but my pH keeps floating up. What gives? Is it usual to have to add dry acid every couple days?? A few nights ago I brought pH down to 7.4 or so, but now it's back up to 8-8.2 already. I've been using MPS to oxidize my bromine, which I thought would lower pH and TA, but doesn't seem to be doing so. I'm also using bromine pucks in a small floater with just one notch open.