I just had my pool retrofitted with liner. The contractor and liner rep did a custom measure and the liner was fabricated and installed. I now have water in the pool and I'm concerned about the liner fit. The pool had square corners and now that the liner is in and water in the pool the corners have about a 12" radius and are not conforming to the walls. The contractor says this is normal, but I'm skeptical. I feel like this is going to cause a problem with puncturing and tearing down the line. If it was a 1" radius I wouldn't be too worried. Am I worrying about nothing or should I arrange for the liner rep to come to have a look?