keep the lid on and cut no holes, u want to make it humid . if u cut holes in the dome they will die!!! for sure ..... after 10 to 14 days u'll notice the roots coming outta the RW at this stage lift the dome and set itback on so that air can get in at each corner , keep it like this for 24/48 hours( if u don't do this they will turn yellow and die ) when u have done theis u can tranplant them into wahtever u are going to use to grow them in .