Should there ever be water in between the liner and the outside wall? I had a spot close to the skimmer that rusted through. Could find no hole or leak in the liner, but there was water coming through the rusted out spot. I drained it enough so the trouble spot could dry and be patched, but I assume there is still water in between since I did nothing else. I am assuming the answer is no and this contributed to the rust. If so, I guess I'll have to drain completely, pull liner away and allow all water to dry?