Sheepy Member Dec 10, 2009 #1 Just germinated my seeds i have greenhouse cheese seeds! when potted what hours of light should i have!? and for what period!? how close? i have a 600 watt MH is this ok? What temperature must it be at night... must i have a fresh air in take?
Just germinated my seeds i have greenhouse cheese seeds! when potted what hours of light should i have!? and for what period!? how close? i have a 600 watt MH is this ok? What temperature must it be at night... must i have a fresh air in take?
Boneman Well-Known Member Dec 10, 2009 #2 600 MH is fine Use the back of your hand to test the heat. I would start at about 24 inches away and work down from there. 18 hours on 6 hours off temps should be around 72 all the time Fresh air exchange is essential
600 MH is fine Use the back of your hand to test the heat. I would start at about 24 inches away and work down from there. 18 hours on 6 hours off temps should be around 72 all the time Fresh air exchange is essential
tom__420 Well-Known Member Dec 10, 2009 #3 76-78°F is ideal You don't need an intake fan if you have a powerful exhaust fan and a passive intake hole
76-78°F is ideal You don't need an intake fan if you have a powerful exhaust fan and a passive intake hole