Moved them both into 3 gal pots and into the tent next to their big sister.
The one in coco coir is a fair bit smaller with lighter leaves, it seems my weak seedling fertilizer wasn't cutting it.
The one is soil is doing better for now.
Ran out of Bergman's Growtime (they really need better volume per day instructions), switching to FoxFarm.

Had some gnats and ants, likely from the soil. Hit them with bug blaster and diatomaceous earth