REC Warehouse review: Leaking pool

We purchased an oval pool in July 2009 and it leaks water daily. We have to put 500 gals. of water in it twice a week. It appears to be from where the liner pushes against where he outside metal bolts together but it also has pockets in the bottom where the liner is pushing under the tin, yes tin panels are under the liner. The installers didn't put enough sand under the liner. Waisted that 6ooo dollars! Rec WH won't repair nor will the installers. The installers wouldn't stay for the water to fill the bottom.