Stunted growth yellowing centers.

I started a scrog with clones about a month ago. As you can see some of the plants are very stunted. 2 of the 9 plants are doing very well for some reason, but the rest are very stunted and about 1/4 the size. The plants that are stunted are turning yellow in the middle.

I'm growing in a tent with 1 400w and 1 600w. Temps are stable around 80 degrees. Growing in FFOF. I transplanted straight from 16oz solo cup to 5gal grow bags.

Any ideas what could be wrong with these girls, and why would 2 of them be doing well and the rest stunted?
Any help would be awesome, thanks

- stunted

- doing well.

maybe to strong of nutrients try and water them with plan water for a few days

No nutes have been used yet.

Light might be too intense. Radiant heat can cause bleaching of leaves and folded inward leaf margins of the upper leaves most exposed to the light.