Quote Originally Posted by Charbud
Are you feeding them nutrients ? Your ph ?

Your ph could be off to they have nute lock which will stop the roots uptaking nutrients and using the leaves as food.

You might not be feeding them any nutes at all.

They may just need a little mid flower NPK dose - nitrogen def.

C
I think a PH fluctuation would show more deficincies as well as the typical claw leaf look....IMO