leak test

This morning, I went to do my regular backwash. The worst mistake of my life. The pool has been working fine all season, except at the beggining where I also couldnt prime it and the company who built my pool came to prime it for me with a secondary pump that hooked up to the skimmer. After i...

New pool owner here I drained my vynl liner pool 70%, the shallow end was entirely drained I refilled and started to see leak 2 inches a day I tried to find the leak using leak tester syringe but no luck yet The pictures are below I see water under the vynl in the first picture Any tips where...

I have a 40x20 pool and I think I have a leak in a water pipe. During the winter when the filter is winterized, I have to drain out excess water from the pool, so I don't think there is a leak in the liner. I also used the food coloring test and couldn't find any leaks in the liner. My installer...