I was hoping adding 50 ppm borates would help with my pH rise but I didn't see any difference. If it matters, my plaster is 11 months old. Here is the rise I saw over the last two weeks:
8/30: FC 5, pH 7.9 // added 1 gal MA
8/31: FC 6, pH 7.1, TA 60, CH 310, CYA 38, NaCl 1200
9/1: FC 6, pH...