Bought a house with a pool in the fall with it "closed", got it opened/going great thanks to everybody here. Except there's the problem of losing close to an inch a day in water. Given the poor shape the pool was in from previous owner, pool company did a total drain and fill to open (water was only an inch deep in the shallow end), 3 companies immediately said "you got a leak". They patched some visible liner problems when drained/filled, light niches are good. Pool service said liner is 6-7 years old.
And the leak(s) are still there. I had them come out and just said "fix it". Their report was "pin holes everywhere, dozens, too many to patch".
Now I'm going to get in there with some food coloring to find out what is going on and where the water is going. My two questions are:
1) "If there are many dozens of pinhole compromises of the liner should I bite the bullet and get a new liner and also make sure the underlying problem of them is resolved"?
2) If I'm dedicated, can I patch/fill them with something?
3) I'll make it complicated - if I want to make modifications to depth and slope is now the time to do it?
I knew there was a reason I got this house on such a bargain... It's a lot to ask for regarding advice, but something regarding the leaks is enough to start on.