you can't flower bushes in a 5x5 with a 400hps, and expect maximum efficiency or anything even close, it simply doesn't have the power. try a SOG flowering clones at ~10 inches under a 1000hps or a couple of them in that small space, or 4 x 400hps in that space.
stinkyattic Reviewed by stinkyattic on . how many plants will my setup flower i currently have a 5foot by 5 foot floor plan with an 8foot hight in a walk in closet. theres a huge 2foot by 3 foot home made air cooled 400watt hps in the center with many side lights. i run 4 2foot floro tubes on the dimest lit wall spaced evenly every 1 foot, and 4 four foot floro tubes on eather side of the hps hood. a total of 520 watts. 400hps. i have many more lights to add if need be but i would like to cover every ince of floor space with plants 3 feet tall before i flower. how many Rating: 5