Found the Leaks in Liner, but What Caused the Damage?

[sakleiner]

Hi there,

Our in ground vinyl liner pool drained about half over winter apparently due to leaks in the liner.

The pool company guys came out in March and patched a leak they found. In late May I refilled the pool and started the opening process. Eventually I observed the pool was still leaking water at about 1.5 inches per day.

I tried repeatedly to find the source of the leak. Tested the lines, all good there. Checked and rechecked the liner but no luck. So I called our pool company.

They sent a crew out and using diving equipment located 4 small slice type cuts about the length of a half inch or so. They patched then holes.

What’s puzzling is what caused the cuts. All the cuts/holes they found are at the exact same level in the pool, which is a few inches above where the pool bottom and the pool wall meet.

The pool guys and I went over all my equipment that I use to maintain the pool and there is nothing on any of them that would cause damage.

Any ideas what may have caused the damages?

[Teapot1]

Often caused by pool equipment, brushes, skim nets etc I know the guys checked yours but check it again. One of my customers sliced his liner and put an 18" cut in it and thats a tricky repair!

[sakleiner]

I’ll keep that in mind. The pool guys said toenail can do that but this is the first such occurrence in about 20 years for this pool