Brand new grower, lack or burn?

Would anyone be able to diagnose my plants for me, this is my first grow,. I believe it's a potassium deficiency, but maybe a
 
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No that leafs not affected... I mean the leaves that have the yellow tiger stripes to them, that leaf looks healthy!
 
Im using the roots organic, I used only 3ml of buddha grow, and the rest is basically few ml lower than their feeding schedule calls for 5ml
 

Jack og

JackOG
Staff member
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Overall it’s good, what’s the temps like light off? Slight phos lockout happening.
Increase the temps and do a full feed of bloom and 1/2 dose of calmag. This will help reverse the phos lockout, it’s very early in the lockout. (Purple stems and leaves stems).
And add a fan to move air a bit
 
Overall it’s good, what’s the temps like light off? Slight phos lockout happening.
Increase the temps and do a full feed of bloom and 1/2 dose of calmag. This will help reverse the phos lockout, it’s very early in the lockout. (Purple stems and leaves stems).
And add a fan to move air a bit
Around 68 lights off, I'll give that a try
 
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