Seed Germination Question

This is my first attempt at growing. I germinated 2 seed in rockwool. One has sprouted and is about 1.5" tall. The other one has not. What is this dark spot on the side of this cube? I this seed trying to sprout out of the side?

Attach a photo if you can...

Oops I thought I did. Sorry.

Your rockwool is way too wet.

MickFoster said:

Your rockwool is way too wet.

Click to expand...

Should I draw some water out with a syringe or is it to late?