New growth seems slow and small

[odinsmaster]

Okay, I'm growing in fox farm coco loco two strains. Midnight kush and 707 headband. Both at day 37. Feeding half strength nuets full line of fox farm, except the solubles, and have been intimidated to use the foiler spray.
I added cal mag at lady watering.

Running a400 watt veg light in a 5x6 closet with a/c.

I up potted to 1 gallon pots 14 days ago, I think I may need to goo up to my 7 gallon pots.

Any help would be appreciated.

 

[odinsmaster]

These were the roots when I transplanted.

 

[miki9009]

It seems to me your growing room has too high of a temperature (leaves curl upside from the edges) and maybe a little overwatering (the droopiness of leaves).
ALTHO, your first picture shows the lower leaves drooping a lot, especially from the tip causing it look like a claw. I've read that this could be nitrogen toxicity.

So my suggestion is be careful with the watering, maybe add a little more ventilation? If it's about the nitrogen, just lower your nutes even more from half strength.

 

[odinsmaster]

They were drooping because I let them dry out completely for the transplant.

I do believe it was nitrogen, flushed with sledgehammer and kangoroots.

 

[Duncan Dehaviland]

These were the roots when I transplanted.

Your plant is screaming for room to stretch its roots!

 

[odinsmaster]

Your plant is screaming for room to stretch its roots!

That's when I up potted