Ok i will def. check the pipes. As for the plumbing almost all of it is only covered by dirt and grass and i feel like if there were any breaks or leaks i could dig down to the plumbing and replace it. Is that possible or am i underestimating the job. And i plan to get a company to come out and borescope the pipes and if there are any trouble spots they could locate them from the surface i believe. I almost have the pool cleaned out i'm down to the last amount of muck down at the bottom of the deep end about 6 inches of muck which is really a pain because i can't pump it out. I've resorted to shoveling it out. I have looked over almost all of the pool surface minus the bottom of the deep end of course but everything looks good the worst area is the steps where the plaster looks weathered heavily. The pool wil def. need to be recoated but i have not seen any large cracks or wholes in the concrete. As for recoating it sounds like i will need to chip away any loose plaster and patch any exposed concrete with an acrylic mixture? And sand everything smooth then do the acid wash and prep phase. Basically i won't have to remove all of the existing plaster just make sure that if it is staying it is secure to the concrete?