They look good...
So you have the PH tester that you stick in the cube?
I test the water going in as well as the runoff and they say around 6 but the cube tells a different story.
Nutes are Flora Nova Grow nutes 7-4-9 I believe. I do not have a PPM Meter.
Update: Day 5
They look a little light colored to me, also the stems are turning purple. PH tester says like high 7's when I put it in the rockwool, But all waterings have been at water tested 5.5 - 6.
What is the best way to get PH to normal levels in Rockwool?
Here are pics of new growth.