Not sure what I’m seeing. 28 Days after germ.
Nebula Auto in micro octopot. 20% perlite added to promix BX in 5G fabric pot.
Jacks 202020 at 1/4 tsp gal. PH adjusted after all additions to 5.8PH
1/4 tsp epsom and 1/2 tsp per gal. (current rate, previous was about half)
10ml rhizotonic per gallon
85F/70RH lights on 450 ppfd (was 300 ppfd with no chg, increased yesterday)
75F/70RH lights off 5 hrs
Used Foop foliar spray 5 days ago once, no change.
Roots still not in res. Were growing well before transplant into micro octo.
Showing on 3 of 6 same strain.
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Complete auto tent, central autofeed res
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What’s the run off ph coming in at? Potentially a deficit of magnesium.
This photo looks to me like some of your leaves.
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I associate that color with N deficiency, burnt tips are another deficiency. However, I think your issue is dry soil / not enough water, and roots not in res. With insufficient water in the soil the plant can’t absorb nutrients properly even if they are present.
Can you soak the bottoms of your pots by setting them in a tub / bucket of water a couple inches deep? If you bottom water like that enough for the moisture to reach to where the roots are, they should get happier and then send their roots to follow the water down where they’ll find the res for ultimate happiness. 
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Thanks for the insights @Itslegalnow and @RainToday !
Really appreciate the support 
I was leaning toward mag def at first.
This due to the Foop foliar not having an effect and having symtoms on both rooted and unrooted plants.
I gave all six plants a light foliar of normal res feed which includes cal mag.
During the spray I noticed the leaves clawing.
Now suspect wind burn. There has been a fan on these since planted in fabric.
Fan off test has begun.
Black base of the recirc fan is visible on left of pic.
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