I don't think it's a nitrogen deficiency, cause most of us don't feed them until after 3 weeks. It sounds like a water issue. Are you letting them dry more than you should between waterings? What are your temps like? I'm just throwing out some possibilities cause of the lack of info you provided.
Pass That Shit Reviewed by Pass That Shit on . yellowing leaves sup everybody my little gal (hopefully) is at 19 days old:) but the bottom single bladed leaves are turning greenish yellow and they have been like that for about two week they are not getting any better nor worse and was thinking it was a nitrogen problem but I dunno:( Rating: 5