I am using 4 400watt CFLs. Pretty bright, but its in a decent sized closet. id say 6x5. Also, a Red and Blue LED UFO in the top of the closet, and a 150 watt Flood light. So close to 700 watts in all, I am hoping the 25ft of Mylar I purchased will help increase the amount of light my babies are absorbing, what do you guys think?
If your walls are white, they're damn close. White reflects like 85% where mylar is 95+, so you're going to get more light (altho that only matters for the light that's already going 3 ft to the wall, losing power on reflection, then coming 3 feet back... still something tho)