pixovilson Well-Known Member Nov 2, 2007 #1 wats the best distance from a seedling is a 400w hps light, at the mo iv got it just over a foot above them and i did a hand temp check and my hand just felt the warmth so im presuming the seedlings will be o.k. Attachments seedlings.GIF 230.3 KB · Views: 107
wats the best distance from a seedling is a 400w hps light, at the mo iv got it just over a foot above them and i did a hand temp check and my hand just felt the warmth so im presuming the seedlings will be o.k.
Cutdown Active Member Nov 2, 2007 #2 No temp meter or what? I'd imagine it being too hot without serious ventilation/cooling. And get that tin foil out of there.
No temp meter or what? I'd imagine it being too hot without serious ventilation/cooling. And get that tin foil out of there.
alipke05 Active Member Jan 15, 2008 #3 HPS: 12 - 14 inches, be careful to watch for burns Soil also drys quickly so watch to make sure plants are receiving enough water.
HPS: 12 - 14 inches, be careful to watch for burns Soil also drys quickly so watch to make sure plants are receiving enough water.
email468 Well-Known Member Jan 15, 2008 #4 you can get closer if your light is air-cooled btw - cutdown - that looks like poorly hung mylar to me but i'm often wrong.
you can get closer if your light is air-cooled btw - cutdown - that looks like poorly hung mylar to me but i'm often wrong.
HPS: 12 - 14 inches, be careful to watch for burns
