They say it's lonely at the top. I only know about the bottom. Good thing you all are here. Baaaaa---Haaaaa. Lol. We are lucky, indeed, to hear from, and comment to, all levels of growers alike. If you get my jokes, you have a great sense of humor - and a sense of great humor, lol. Keep on laffin'---eric g PS---Those springy tensioners? I'll bet some genius at... BigPoolSkins.com came up with that. Neat!!! Laters---eric g