Both look healthy and happy.
Moving the outside for a couple of hours per day to let them enjoy the sun.
Started with 1ml/L 'Bio Grow' nutrient from BioBizz.
@FlatBrainGrower, a change would only make sense if you repot them to 20l pots. I would start with 11l or 12,5l Airpots the next time, but this is the maximum condiderung your tent size.