That would be plenty for the vhos. I've olny got about 1" of space on each end of my Vhos. I made my top so that it hindge up with all of the bulbs attached so it makes it a lot easier to change bulbs and digging around in the tank.
RENTON: I chose not to choose life. I chose something else. And the reasons? There are no reasons. Who needs reasons when you've got Heroin?