I have a hole 2" long x 7/8" wide in the 1/8" thick galvanized metal wall of our pool. The 20 mil thick liner is bulged but NOT torn yet....it looks like it can go any time.
Aside from draining the whole thing and patching, what could I use on the OUTSIDE to hold the water in case the metal punches through the inside liner.
If the metal cuts through the liner, I want to be able to hopefully STOP the water from rushing through the hole by putting some kind of patch on the OUTSIDE.
Any suggestions????

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