Keith Lake Feb 9, 2009 HELP! 250 HPS or 400 HPS? I will be flowering 4 plants, maybe 8, in a 4'x5'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? www.420magazine.com
HELP! 250 HPS or 400 HPS? I will be flowering 4 plants, maybe 8, in a 4'x5'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? www.420magazine.com