R ravens420 Active Member Mar 24, 2009 #1 how far should a 1000w metal halide be from 9 day old plants?
LUDACRIS New Member Mar 24, 2009 #2 ravens420 said: how far should a 1000w metal halide be from 9 day old plants? Click to expand... it all depends on the individuals garden and grow space/environment/temps/ventilation etc etc. but here is a ROUGH GUIDE for mh lamp heights. about 20 inches. Attachments mh lamp heights.jpg 51.8 KB Views: 7
ravens420 said: how far should a 1000w metal halide be from 9 day old plants? Click to expand... it all depends on the individuals garden and grow space/environment/temps/ventilation etc etc. but here is a ROUGH GUIDE for mh lamp heights. about 20 inches.
