[doorgunner69]

There is a product that the name escapes me that can be applied as a goop from inside to seal.

Meanwhile, try the duct tape inside. No it will not stick, but water pressure may force it against the holes and slow the leak.

[Hot Tabasco]

No it will not stick, but water pressure may force it against the holes and slow the leak.

He'll still have the problem that can't be fixed unless the pool is completely drained............