Does anyone have any advice about UVB Lighting? How long to turn it on and in which growing stage?
snowbud4 Well-Known Member Jul 22, 2010 #1 Does anyone have any advice about UVB Lighting? How long to turn it on and in which growing stage?
G gbis59ll Well-Known Member Jul 23, 2010 #2 in the middle of 12/12 so start it 2 hours after 12/12 and shut it off 3hours before it ends
