Looks like a little heat/light stress going on, you may want to raise the light a little. Notice the edges of the leaves curling up and the leaves droop away from the light. Whats the temps like?
Thought I would update as haven't in a while no one following my journal . haha , well they are 3 weeks 2 days old and from what I see nothing wrong everything going great ...
5 weeks old swapped to hps bulb now as started to flower , started with 6 have give 2 away to my brother as they got bigger then I thought and didn't have the room