Can't figure this out. Nute burn maybe?!

BorisEltsin

Active Member
Hi guys, I have this problem that seems to be spreading to more and more of my plants that are in week 5 of flower period.

Leaves curl up and dry but remain prevalently green colored.

I grow in soil under 1000w gavita DE lamps that are about 1.5 meters above the canopy. I use canna nutrients. Didn't look with scope but haven't seen any bugs nor fungus gnats or anything like that. I have successfully grown in this ambient times before but this is something new. Please help me figure this out! IMG_20190918_192341.jpg IMG_20190918_191530.jpg IMG_20190918_190807.jpg
 
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