Have A Plant Problem? Check Here First - picture's don't work, need help

For some reason the pictures on that thread don't work, might just be my computer.

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I think this is nute-burn. I have also been adding vinegar to try and lower pH which I am not doing any more.

So what is it?

looks like potassiun def to me

def not potassium. Maybe a little p def. but looks like could be burn or p def is my guess.



The picture above is earlyish K (potassium) def in my plant. Since I corrected the problem the yellowing and brown spots have ceased.