how do i know when its ok to take the clones out of the dome?

when can i take the clones out of my dome?after the 1st roots start 2 come out or should i wait till there protruding the the rockwool cubes?cuz i have had a few die on me just b4 the roots took.but after i c some roots is it ok to put em under my light?perp,kp where r u?

yeah, once you see roots coming from the rockwoll you can plant them. I'm sure you could do it earlier, but I wait. I like to get a nice root base before switching. Then once you do, they take off.