How can you tell if the MD is connected to that second hole in the skimmer? I'm getting ready to close my pool, and I've read about having to blow out the main drain and plug the hole, but I have no idea where that might be. We did not install the pool (it came with our house), and essentially no helpful documentation was left from the previous owners. What would I look for if the MD was piped directly to the pad?
Thanks.
Kelley
Thanks.
Kelley