After last weeks photo session, I decided to go ahead and remove the fluorescents and go with my 150w hps. I had come into possesion of an air cooled hood awhile back, so I decided to give it a go. The fan cooling the hood is a 130 cfm axial fan. The hps has really thickened up the buds, and the hood is way better than my homemade setup. The heat and light are dispersed much more efficiently.