B batman4x4 Member Dec 2, 2012 #1 whats cracking i got 2 400 watt mh's how far do i place from top of plant ?
drolove Well-Known Member Dec 2, 2012 #2 8-12 inches if open wing or no reflector, 4-6 inches if aircooled or cool tube.
Budgoro88 Well-Known Member Dec 3, 2012 #3 If you get a good inline fan blowing that bulb really good you can go 1 inch. This is why I use 400 watters I can drop them right to the older plants no problem.
If you get a good inline fan blowing that bulb really good you can go 1 inch. This is why I use 400 watters I can drop them right to the older plants no problem.
Min8040 Well-Known Member Dec 3, 2012 #4 What about 600hps batwing style reflector. What would be a good height for seedlings? and also clones?
What about 600hps batwing style reflector. What would be a good height for seedlings? and also clones?
zack66 Well-Known Member Dec 4, 2012 #5 Min8040 said: What about 600hps batwing style reflector. What would be a good height for seedlings? and also clones? Click to expand... With young plants I would run my 600- 3 feet away. Then gradually drop it down over a few weeks.
Min8040 said: What about 600hps batwing style reflector. What would be a good height for seedlings? and also clones? Click to expand... With young plants I would run my 600- 3 feet away. Then gradually drop it down over a few weeks.