germination is better in dark, the taproot is sensitive to light, but should be warm, ... after it sprouts, and goes into soil, run lights 24 hours for a few days ... once they start pushing leaves, turn back to 18 hours .. you will now read lots of posts recommending 24 hour light all the time ... there is one camp that says 18/6 is better, because the plant needs darkness to process nutrients, and regulate photosynthesis (they are right, in my opinion) ... others claim 24 hours is the hot ticket (they are confused, stoned children) ... ... just teasing ... :smokin: