C Cavemurph420 Member Apr 30, 2012 #1 I have a 600 watt hps. How high should it be over plants. Thanks.
drolove Well-Known Member Apr 30, 2012 #2 at least a foot. put your hand over the plant for 30 seconds, if your hand is too hot to leave it there than raise your light.
at least a foot. put your hand over the plant for 30 seconds, if your hand is too hot to leave it there than raise your light.
B bang508 Member Apr 30, 2012 #3 keep it far enough away so it dont burn your plants, but if u have a air cooled tube u can go closer. obviously
keep it far enough away so it dont burn your plants, but if u have a air cooled tube u can go closer. obviously