Here is a project that someone ahs been using and does not believe in DSB`s its a thread on R.C

http://www.reefcentral.com/forums/sh...hreadid=289910

Here is a pic of the Idea http://homepage.mac.com/johnlaurenso...Drawing-VW.jpg

And pics of his tank http://homepage.mac.com/johnlaurenso...ersonal41.html

the thread has been going since 2003.So some probably heard of it already.