how far to pst my 400 watt mh from top of plant

Budgoro88

Well-Known Member
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
What about 600hps batwing style reflector. What would be a good height for seedlings? and also clones?
 
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