Has anyone used one of these for closing their pool?
Seems like a novel approach but being that I'm in CT and my water gets so sold in the Winter I'm a bit worried the rubber plug may shrink and let water back into the plumbing.
bungeeplug.com
Seems like a novel approach but being that I'm in CT and my water gets so sold in the Winter I'm a bit worried the rubber plug may shrink and let water back into the plumbing.

Bungee Plug® - Blowout Plug for In-Ground Pools
Winterizing your pool is simple with Bungee Plug®. Blowout your pool return line in minutes with no tools required.
