Quote Originally Posted by ismokealldaylong420
would a 400 watt hps be good for a 3x2x8 space just for one plant
Yes!
psteve Reviewed by psteve on . El Cheapo Guide to Lighting A guide to cheap lighting for the broke newbie stoner Fluorescent Bulbs Fluorescent tubes have good efficiency and put out very little heat, but they usually aren't intense enough to produce a lot of buds. Still, for the vegetation stage of growing, they're great. All types of fluorescent bulbs usually have several numbers written on them that you should pay attention to. One is the watts. This determines how much energy a bulb uses, and also how much light it gives off. The Rating: 5