I think that mite be too big for a 400, a 400 watt is usually said to be good for a 4x4 space and 600 6x6 so that would be better.
llamaman666 Reviewed by llamaman666 on . How many plant's in room of 2m x 1m?? how many plant's can u get in a growroom of 2m x1m??? Any reply greatful for. :) PEACE TO ALL :cool: Rating: 5