SORRY...The space is actually 4'x5'x8.5' high. That changes everything, huh?
IVXX Reviewed by IVXX on . HELP! 250 HPS or 400 HPS??? I will be flowering 4 plants, maybe 8, in a 4'x8'x8.5' high space that is well ventilated...Want to know whether I should go with 2- 400 watt HPS or 4 250 Watt HPS? Rating: 5