Indoor grow, rock and roll. I think this is done with Whitney Farms powder fert. (I can't get the audio right now). Notice how healthy the plants look. This room is proof that most of what you can get fert-wise in a grow shop is b.s. There's been alot of bad info on forums like these. People think they know what they're talking about but they don't. You might have to sign in to see the video or maybe just copy and paste to your browser if that works.
http://www.youtube.com/watch?v=PdkZdGjfrjc