Leaf ends curling down?

Gza

Active Member
I have a 2 week old plant on a hydro system, and ive noticed the edges of some of the leaves are curling down and the ends look a darker green colour.
Whats this mean?
Thanks
 

adamizer

Well-Known Member
check the GrowFAQ deficiency section but sounds like maybe an overdose? What kind of nutrients are you using?
 
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