I've followed TFP for a few years now, and I finally have an issue I'm not sure how to fix. I have an inground pool, and I'm almost positive it's plaster (taking a wire brush to it will gouge it). Anyway, the surface had become somewhat dingy and after talking to a few people, I decided to repaint it with a waterborne acrylic. It's been a few weeks, and the paint has blistered in several spots, even though I followed the company's instructions. At this point, I'm not sure what the best option is; the blistered spots have to be fixed. Since the surface wasn't corroded or chipped/cracked to begin with, can I just take the paint off and leave it be? Or is there something else I haven't thought of. Thanks in advance for any help.