i'm not so sure about that. i have a 400 in a space almost twice that.
6'x3'x2' and it gets pretty hot even if you have good ventilation. other than than the fact that with that much light, your plants' likely to outgrow that space.
GREENvision Reviewed by GREENvision on . cooling a 400 watt cab-need some advice has anyone ever or think its possible to succesfully cool a 3foot high 2 foot wide 1 foot deep cab with a 400 watt mh in it ? if so what would i need to do/get to keep from burnin my crib/plants down. thanks in advance Rating: 5