I need help closing the drain on my ABG. It comes out at the bottom of the side of the pool and runs into the pump. At the pump there's a shut-off; there's no shut off where it comes out of the pool. There's a drain guard over it in the pool also. Entering the pool to do anything underwater is pretty much impossible, since the water is about 50 degrees right now.
The previous owners drained the pool halfway, then took the long pipe going to the pump from the drain and propped it up. Hooking it up was extremely difficult since the water flowed out once the pipe became horizontal.
What can I do? If I plug it I'm afraid the pipe will break with all the water frozen in it. There's no way to force antifreeze into the pipe since the force of the water pushes out once the line is open.