Hello,

I have just started construction on a 6.5/6.5/6.5 grow box, the materials used,

plywood walls
2x4 wooden frame
wire mesh covering ventilation holes
steel corner supports

it is a solid design but there is always room for improvement! my questions are,

1) should I use three 1000W bulbs or more bulbs with less watage?
2) for a box that size will ventilation holes be enough to circulate air or should I invest in an air exchange system (total volume is 216 feet) the unit will be about half a foot off the ground.
3) would you recommend putting a humidifier in the same room as the grow box in order to bring the rooms humidity up to around 45-55%?

First time indoor grow and any information would be fantastic.

Zenzao