Do you know if anyone has used the "ultra gizzmo?" It apparently has a blowthrough plug in the top of it. I can't find any good pictures of it, though, to see for sure if I am understanding it right.

I don't know how to post a link here. but this is where I saw it:

http://www.totalpoolwarehouse.com/It...emNo=411GIZ16U
http://www.gizzmo.net/new/html/install.html

Seems like -- if I am understanding it right -- it would do what your home made device would. I think it is designed to blow out thru the skimmers without lowering your water level. I, however, have always lowered water below skimmers and will continue to do so.

Pool closers are set to come on 10/15 unless I can get it figured out before then. I'm still thinking about doing it.