M MJ3 Well-Known Member Sep 18, 2008 #1 I have a 400w hps, im wondering how far to put it from the plant? My plant is stretching and the light is about 16 to 14 inches away.
I have a 400w hps, im wondering how far to put it from the plant? My plant is stretching and the light is about 16 to 14 inches away.
P Phinxter Well-Known Member Sep 18, 2008 #3 as close as you can without burning your plant . i use a cool tube on a 1000watt HPS and keep the light about 4 inches away from my plants
as close as you can without burning your plant . i use a cool tube on a 1000watt HPS and keep the light about 4 inches away from my plants
M MJ3 Well-Known Member Sep 18, 2008 #4 well I dont want to burn my plants just to find out how far to put it...
P Phinxter Well-Known Member Sep 18, 2008 #5 put your hand above your plant and lower your light until its warm but comfortable. usually the case is if it wont burn your hand it wont burn the plant
put your hand above your plant and lower your light until its warm but comfortable. usually the case is if it wont burn your hand it wont burn the plant
