As soon as you see the seed pop drop the dome. And over watering a seed is deadly. The seed is sending a tap root down to find food and the stretch you have is telling the plant to reach that light or die. Get ready to transplant soon.Now if you went hydro no transplant ever!
Have fun
I just put them in cups, this is my journal thus far:
Seeds: White Widows, possibly some random survivors from my freebie seed germinations(I think 2)
Medium: CoCo
Watering: Gentle misting until all is damp.
Day 0 - put sprouts in rooter
Day 1 - 2 girls popped and are 1" tall
Day 2 - 3 other girls popped and are .5" tall, first 2 tallgirls are 2"
Day 3 - 3 late girls are almost 1", tall girls are almost 3", I put them in rooters in cups with domes that evening 300w LED @ 20" in tent
Day 4 - Today, removed domes and lowered lights to 12", Tall girls are over 3", Late girls are over 1".
I was going to wait until I saw some root against the clear side of the cup before I transplanted, I figured that would happen in 2 weeks since I was going to wait until 1 week before starting nutes.
You suggest transplanting even sooner?