If you cant get a proper ventillation system in there with the 400 watt, then I would go with cfls. Its a pain in the ass to grow in uncontroled small conditions with a large heat source. You also could think about cutting a whole in the door and a cool tube 400 watt setting your ducting, fan, and carbon scubber on the top of the closet.
Forwhat420 Reviewed by Forwhat420 on . Light Recommendations/Issues for this space The space available measures 2.62ft wide (standard door size basically), by 6.5ft length, by 7.4ft high. Due to some shelves and a slight decrease in height towards the back, the area im looking to grow in equals about 2.62 x 4-4.5ft x 7.5ft high, which is towards the front of this area. What would the best setup be in this space, using a HPS light and non-hydro/garden pots setup? I was thinking a single 400/430w lamp to grow either two nice plants, or 4 slightly smaller ones. I can Rating: 5