What could this be? Blue ice auto. Around 39 days old

[Mattylucas]

I think I would hit them with a low dose of nitrogen too, that's a lighter green than I like to see for beginning flower.

I don't know, might be the lighting, the second pic looks about right.

Since its watering day I upped my ph a little to about 6.7 for this plant and fed it a very small dose of nitrogen with my root farm base nutes. I upped the ph cause I found out the other soil I'm using is good for a lower ph and I've been feeding them both the same. So I figured adjust the bad one up and add nitrogen.