Yellow tips/ update pics help?!

For seedlings it says 16-24 inches and for my babies it says about 12. Buttttt right now my tallest is about 8-10 inches from the light currently. And omg yea dude it’s already smelling up the room I have them in! They smell so good!

Yep just a little nute burn nothing to worry about might wanna back off the nuts and just plain water next time you water

Sorry was coming home from vacation, looks like everyone steered you in the right direction.