I also have this "chalking" problem with my fiber glass pool. The pool is 5 years old and was getting the chaling for the first time. I was told by a pool company that the gel coat is comeing off and the pool neds to be resurfaced. We chose an epoxy paint and had them sand (some spots) and paint pool. Then the next day pink streaks appeared all over the surface of the pool. The pool company came out and did a second coat of resin paint. Thid appeared to fix the problem and we enjoyed a summer of swimming. Covered pool with all chemicals levels good, now sprintime and I pulled back cover only to discover the the pool seems to be doing the same chalking again. I called pool company and they refuse to help fix the problem saying it was due to improper maintenance of the pool which is BS. Anyway why is this paint only 1 year old chalking and how can I fix the problem? I really dont want to drain and paint again. And by the way the pool company charged me $8000.00 for the job. And I got them from Angie's list. Anyone HEPL!!!!