Sir Master Deuter the 3rd
I have a 65g and I'm going to be getting a lighting system with PC's and MH's with a total of 480w. That comes to about 7.4 watts a gallon. The PC's and and MH's have seperate plug-ins/outlets if I could put them on a timer and have the MH's running 8 hours and turn the PC's on for just a couple of hours to mimic afternoon sunlight. In my opinion I think that a full reef tank can handle this amount of lighting but maybe just not for too long. I need a secound opinion on this one.