Well let me tell you my water has been giving me a terrible time for about the past 3 summers now. Short of filling in my pool with dirt, I've tried everything. I have been the care-taker since 2006. I thought I had it all figured out. I have changed pumps thinking a previous pump wasn't strong enough due to the attached spa, drained my pool three times, and tried numerous different chemical tactics. The water continually clouds up and turns green. My CYA was (until I drained a week ago) at 140, which is high. My FC levels are now at 2ppm and ph is 7.2. I am not showing any CYA at the moment. I am using up some 3in tablets tha I've had left over thinking that that may slowly bring my CYA up some. I have added 1lb of stabilizer to get started. I'm wondering if the plaster is needing a good acid wash to strip anything that could be causing issues??? Thoughts??? And thank you!