Quote Originally Posted by MrGrapeGod
Im growing in a tool shed, 7' tall and 3' wide. I am growing one plant for now starting as a clone with a hydroponic drip system(i may very well after this grow start two plants). What i've got so far is a 5 gallon drip system, my hydroponic clay pebbles, a general hydroponic pH control kit, a 6 watt eco plus air pump, digital thermometer with humidity reader, Botanicare Cal-mag Plus 2-0-0 and Botanicare Pure Blend Pro grow 3-2-4. I still need to get my timer, the mylar to put on the walls in the tool shed im growing in, an air stone, my lights and my rockwool.

Thats a general on my grow set up and what i've got going, if you have more questions let me know.
If that's 3'x3'x7' tall, I'd be going for the 400W for full coverage and to make the most of the height... you'll need good air extraction.