hi just wondering what would be better to do i have a 150 watt hps and a 250 watt im planning on doing 4 or 5 plants this time around. am i better off putting them together in a 5x4 cabinet that i have or do the 150 watt in a seperate 3x3 with 2 plants and the 250 watt in 5x4 with 2 plants, could it possibly bring the yeild up a bit with both lights together