I think one plant is looking much better than the other. And the only thing different is the pot. One is in a 3l airpot which I would recommend. The other is in a shit 10l pot with poor drainage on bottom only. Both growing in 100% coco coir pro plus. Feeding every other day on low nutes at the moment. The smaller one in the shit pot is a lighter green so im keeping an eye on her and left nutes out of her last feed. Its my first grow. I have done loads of research but I am learning to adapt to the plants needs. Also stopping to fuss them and leave them in peace. Us over zealous newbies!
I've got an alnost 18 day old plant still looking like a sprout lol. You're doing better than me. What strain?