get a 250w HPS for that size box. bathroom fan for exhaust, computer fans blowin in. depends how hot it gets there though.

hope this helps.
Imotep Reviewed by Imotep on . Grow box I have 0.7 x 0.7 meters,and 1 meter high grow box.I now need to buy some lights for it.How much watts for it,and what kind of light to use? I have some 150w "white" light,there is also sing "halogen"...is that a good one?! Advice... Thanks Rating: 5