Anybody know what deficiency this is?

[Ano]

Hey. I am growing in coco and this plant is in veg. Anyone know what deficiency this is?

 

[SofaKingHigh]

Hey. I am growing in coco and this plant is in veg. Anyone know what deficiency this is?

Looks like magnesium deficiency, what are you feeding? You can use Epson salt to help

 

[hawkman]

for pictures of your issue - look at GrowWeedEasy thay have a one of the best reference of + pictures