Dark green, textured leaves...Nitrogen Toxicity? DCW auto

Every time I think I've got it figured out, I get another curveball... Keeps it interesting at least .

Is this normal or a sign of a nute issue? (Pics below) I can't tell if it's possibly a deficiency or over fed but I've never seen leaves this dark and textured. It's only about 2 weeks from seedling and seems to still be growing ok, maybe slowed a bit.. but I want to make sure this isn't something that will get worse if not corrected. Any insight would be much appreciated!

-Strain: 3 Bears OG auto by Mephisto
-PH has stayed in check (5.7-6.0).
-Nutes: GH Flora Micro, Gro, Bloom at half strength at a 1-1-1 ratio and recommended dose of hydroguard.
-Lights: Phlizon 1500W dimmable LED at about 36in above the plant.
-RH: ~50%
-Room Temp: 72° F lights off/78° lights on
-Plenty of air circulation
-5 gal bucket w/ water level just at bottom of net bucket and 4 in air stone
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What do the roots look like? Try dropping your water level a couple inches and give the roots more air..
Also looks over fed.. You need a tds/ec meter so you know exactly how strong the solution is...
Roots are all white, look very healthy and are growing fast. My tds is only reading about 440ppms which I thought would be low if anything. Ive read autos are prone to over feeding so I've purposely kept the nutes light.
I did let the water level drop a bit. We'll see if that helps. Thanks!
 
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