Hi I have a little problem with my 2 plants from what I looked up it sounds like nitrogen deficiency But I'm not exactly sure I don wanna ad a bunch of unwanted stuff hoping to get advice from some of the pros, I have them under full spectrum led growing in a light mixture of mg and starter soil I noticed this about a cpl weeks ago n added some plant food sticks didn't wanna over do it cuz I don kno if thts a good idea I did see it say 6 percent N anybody know what I should do here