new growth

I've got three plants growing indoors in soil. I started them in solo cups in miracle grow, but just recently moved them to bigger pots with an organic potting soil mix. The newer growth is yellow and leaves are curling down, does anyone recognize what the issue is here? It's been like this...

Hi everyone! i think i have a problem with one of my seedlings don't know if it's an excess of nitrogen or overwatering(or maybe is healthy and i'm being overprotective) .... it has been growing slower than the other plants the leaves are a bit curled...i must mention that i didn't used any...

Hello everyone. I've got a slight issue with one out of eight plants, this one being Jupitor OG. The new leaves appear to have a few white veins towards the base of the leaf. The top two new leaves also appear to be suffering the same but on the tips rather than the base. The current setup...