Quote Originally Posted by SauceeMcGee
How long can you keep your hand in between the light and the plant? Depending on your level of ventilation, the plant might be getting burnt by your light.

Cheers,

SMG
I could just hold my hand there all day if i wanted. Its warm but not hot. what height should i have a 600w hps light from the plant. i have seen lots of different heights on the net i saw 50cm n that did not cause it to turn the leaf edges up but i feel thats to far and taking forever to grow.
dontei Reviewed by dontei on . Help Needed Leaf edges starting to point up I have a 30cm month old plant under a 600w hps about 360mm away from the plant.The leaf edges are starting to point up but only near the top of the plant just want to no if this is ok and or how to fix the problem. Here is a pic of my baby. Also i have just started growing. Sorry the picture quality i only have this junk as webcam. Rating: 5