I amgoing to make like a riser fro underneath the canopy to start off. And lower it as the weeks go on... I am very excited about the light never used MH lights before and cant wait. Its still going to be a few months before its all ready.. Im getting ready to start the closed loop system with a SCWD and a mag 9 maybe Sam at aqua buys said that he ran a 900gph pump on his tank....