Help needed with brown leaves

[cj_aeratos]

Hello everybody please identify the deficiency

Auto flower at week 9 biobizz nutrients tap water regulates at 6 ph . 18/6 schedule. Its the old leaves but now upper leaves started to show some brown tips
I have amphids i know

 

[Imzzaudae]

So is your plant indoors or out?
What light? How far above plants?
What are you feeding this plant? How much how often?

I'd like a shot of the entire plant.
Anything else you can think of.

 

[m8ty]

No such thing as deficiency when you are feeding nutrients to the plant, most likely it's the bug problem..

 

[cj_aeratos]

Indoors
Light 200 w
60cm
Feeding once per week biobizz schedule

 

[jdog22]

No such thing as deficiency when you are feeding nutrients to the plant, most likely it's the bug problem..

nutelock out, from incorrect ph

 

[jdog22]

Indoors
Light 200 w
60cm
Feeding once per week biobizz schedule

septoria ?