Help Please :)

Hey everyone, been browsing through the threads to try and diagnose, I think it is a potassium deficiency...but im not quite sure. What do you think?

Some background: soil grown, outdoors, about 1 week into flowering. The plant was looking perfect up until about a week ago and has been going south since. It is mostly the top leaves that are showing problems, lower growth doesnt seem to be as affected. I flushed it the other day and am hoping to see some improvement.

It has been really cold here (Canada) over the last few days/weeks and I'm not sure if this would have anything to do with it? been going down to about 65 deg. at night, no higher than about 80 deg. during the day...

THANKS!!!
 

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MarWan

Well-Known Member
I'm no expert, but it could be calcium lockout due to too much potassium. the reason I'm saying that is I had it a couple of times when I upped the potassium in my soil.
don't take my word for it, wait for a more experinced grower to comment on it.
 
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