You want at least 40-50 watts per square foot of grow area. So one 600 watt light is good for about 12 square feet.

PC :smokin:
PharmaCan Reviewed by PharmaCan on . Trying to create a large grow box Hey i've just discovered an empty room that needs some vegetation! I have use of a 6x8 ft room, and as smell is an issue, i would like to create a large (4x4x6?) box which can contain all smells/light. I plan to construct walls with 2x4s insulation plywood and mylar, and piece them together to create a box. 1 side will be a door. Ive investigated the ventilation system, and i think ill be ok with passive intake and a blower/carbon filter venting thru a window via a dust running from the box to Rating: 5