I checked the WR seeds today and 2 of four are starting to crack. Prob. two more days until I can transplant to rock-wool inside the grow room.
I read that the seeds should be placed with the white root facing down just below the top of the rock-wool. After initially placing the seed on top of the rock wool you should water well for a week with the 5.8 ph solution.

Am I going in the right direction?