or a 400 watt hetal halide system and a 400 watt high pressure sodium system would be effective as well that way you would not need to change bulbbs for vegitative to flowering cycles.
Trichome Creator Reviewed by Trichome Creator on . lights i have 2/40 watt flo lights, and i also have 2/300 watt clear lights, question is which 1 do i use on a 1 week old plant? in a 4x6 grow room.4 plants Rating: 5