Coco seedlings

Hello all,

Could someone help me out with this?

Ph 5.8
Advanced nutrients sensi coco 2ml/gallon
Mother earth coco
No cal mag added
Exotic gwntix rainbow cakes
Hlg550 at 130w 26inches up

They appear to be overrated but i want to check with the fam to be sure

Raise your PH up to 6.0 - 6.3 when they're in veg, and around 5.8 - 6.0 when they're flowering. I'm not sure if that's the issue, but it will help overall.