Yes but I don't think that's your problemCan I still snip them now
He would have better look with the heating pad and even at 16 inches that's to closeRaise lights to 16" or so
Lose the heat pads, they are for germinating seeds
Rapid/ Jiffy plugs are easier
EDIT: Aero cloner for the win, easiest/most reliable IMHO
You gotta answer the rest of my questions budThis one
And no dome ain't touchn leavesYou don't see any roots ? I doubt it there are but I'm running threw a checklist of what could be wrong
Did you soak the Rockwool in water that's pHd to 5.5?
Next thing what kind of dome are you using (looks very small)...is it touching the leaves or do the leaves have enough room
And yes pH 5.5You gotta answer the rest of my questions bud
And no roots?You gotta answer the rest of my questions bud