Whats happening

Its dying.

Don't need No fertilizer any more... I would say: ready for harvest 🤙 have fun with your grow 👍

looks ready for harvest

No she need p and k this is the result of lack, most people use biological fertiliser and they contain sometimes not as mich as the plant needs, cannbis is a heavy conuming plant she need a lots of phosphorus and potassium in flowering to be healty.