Nitrogen or Potassium Deficiency???

CYLUS

Member
Hello friends it's been a while. I'm coming to you with a question about some yellow coloring on some low fan leave and some wilting I can't put my hands on,

Some Background:
G13 labs Auto Blueberry
6-7 weeks old
20 inches
Grown in flower pot and transferred to paint can (not sure if it's 3 or 5 gallon) at 2weeks
Cfl grow, Mostly mixed spectrum,all 27k once full flowers started. Currently using 5, intend to add more
In a tent it's whole life
Fox Farm Ocean Forest
No other nutrients
I don't measure ph ( not for lack of knowledge for lack of funds and supply)

Let me know if I left something out.

There some odd downward wilting as you can see. I doubt it's over watering because I tried starving then feeding and no change.
She's flowering nicely and seems to grow about an inch a day.
Just noticed some yellowing the lower fan leaves and I'm not sure if it's a nitrogen or potassium problem
Something else?

Any suggestions?
 

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:bigjoint:Looks like molybdenum deficiency and heat stress bro take some time on fixin those but looking great so far!
 
The dark green leaves clawing down could be N toxicity, which will lead to yellowing on the lower fan leaves. Wilting is also a sign of N toxicity.
 
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