Putting together a grow closet. The "closet" is an IKEA wardrobe with interior dimensions of 22" deep, 36" wide, 6' tall. Before I pull the trigger on the bulb order, I wanted to make sure I had it about right:
42W CFLs, 6500K, 2800 lumens each.
Closet is 22x36 = 792 sq.inches = 5.5...