Gg4 autoflower indoor grow aus (my first time)

First time growing started outdoor put them under lights these are auto Gg4 I bought them off an aussie vendor in a cupboard basic set up p2000 viperspectra led light big pots 2x fans As u can see the one on right is ahead of the one on left I topped the one on left I think it might get pretty big any tips I'm using greenplanet nutrition 3part feed gp3