if u can go with hps or metal halide if not cfl's is what i went with i just did not have enough but at lowes or home depot you can get cfls 2700 lumen bulb for 9 bucks a bulb so 10 bulbs is 90 dollars and 2700 times 10 27,000 lumens and a 2 by 3 room is 10 square feet so that would be just shy...