Hi guys. I'm still new to the whole pool ownership but here's the story. We bought a house in Massachusetts last year which had a gunite inground pool. The people that lived here the past 20 yrs never had any issues as far as I know. We had a local pool company, which got good reviews and reputable, come to open and close the pool the first year. When they opened it the following year we started noticing that we were losing water. We realized within the first two weeks of opening the pool that there was a crack in the skimmer line. When the technician came to pressurize the line he said it couldn't hold any pressure at all. When I spoke with the owner and brought up the fact that I believe that they must have closed the pool incorrectly or did not blow the lines out properly of course he started giving me excuses telling me that the skimmer lines must have been old and that these flexible pipes should not have been used underground. Anyway, I guess what I'm asking is how can I prove whether or not this happened due to ice damage from improper closure of the pool or something else. Thank you guys in advance