how far away

how far away should i keep a 70 watt HPS light from the tips of my plant?

mr.man said:

how far away should i keep a 70 watt HPS light from the tips of my plant?

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Here is a chart that should help

keico said:

Here is a chart that should help

Click to expand...

thanks man. i have to make a new grow room though... because i dont have a foot of space lol so im putting it in my old gun cabnet and ill rig the lights in there about 4 and a half feet of room in there only about a foot and a half long (bottom wise) and 1 foot wide
but i think ill manage it