how far away should a 1000w halide be

how far away should a 1000w halide be and what temp is good fresh air in the hydro:weed:
when i put it 2 feet away i like it there but it gets hot. fans cool the area but the plants get dried out looking.
 
You got a pick?

2 feet away shouldn't cause problems, but the plants shouldn't be burnt looking.

Air temp is less important than water temp ime - it's a lot easier to keep air temp below 80-90 than keep water temp 65-70.
 
far enough so that heat doesent burn your plants but close enough that your plant doesen't try to stretch to much.
 
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