"OK" Wishful thinking,leads to bad math.I took the 150 hps lite back. The 3x4 room is fine for clones,the last 72 hrs,drying.---- The 4x6x7 room, I put a 600 hps lite for veg. Am hoping to put 15 plants in veg.---If I add a third room, 4x6x7, what lite might one suggest for this room for...