many diferent strains with pics and some advice please

hi guys i currently have

applejack,exodus cheese, la x sour diesel, purple wreck, recon haze, super lemon haze and a fruit automatic autoflower

here are my applejacks day 3 into 12/12

the larger plants are my applejacks the rest are my seedlings

the super lemon haze is also in flower but i am seeing somethings on my applejacks and slh was wondering if someone could help
also the leafs on the applejack are weird



the cardboard box with the black material over it is my veggin box i have some clones which u can see in a box too keep the humidity up.. and also my seedlings look kinda thin and wimpy

Looks like a little nute burn on the one. Leaves are pretty crispy at the ends there and they're drooping straight down.

Could also be too much heat hitting the leaves causing them to try and turn away from the light. Or a little too much water maybe. PH?

But overall everything looks good. Seedlings look fine and the other plants are doing nice.

Good luck flowering and hopefully you get a nice big harvest.