Need Help Identifying LooK

[Serpent]

Any help would be nice I did a full flush and feed quarter strength I think it's magnesium or calcium deficiency but not sure 35-40% humidity 22c 5 weeks in flowering looks like it's starting from the top of the plant working down not root up any help would be nice thanks

 

[Serpent]

Re: Need Help Identifying L@@K

 

[PeytonManning]

Yeah, just looks like you need a little cal/mag added to your nutes

 

[HealingKronic]

Classic cal mag issue