Whats wrong with this leaf?

[scrumpypumpy]

I had some nute burn a couple weeks into flower, is this to do with that?

 

[scrumpypumpy]

The tips are 100% nute burn but the browning looks like some deficiency to me?
I have been using the canna a+b coco range

 

[steve870]

way too much nutrients locking out other nutrients

 

[scrumpypumpy]

way too much nutrients locking out other nutrients

Cheers Steve. I was using 20% under schedule dosage, i think next time i will go 50% and build up. Lesson learnt!

 

[steve870]

Cheers Steve. I was using 20% under schedule dosage, i think next time i will go 50% and build up. Lesson learnt!

yes. For the moment just give it water it will use up the nutrients