Would you say this is a deficiency or early signs of nute burn? Grow medium is Coco half strength nutes ph kept at about 6.4. Any help would be greatly appreciated!
That is called "tip-burn" and it is the first sign your nutrients are too strong for the plant. I generally start at 50% strength nutrients and increase weekly until tip-burn the back off 10%. So back off 10% and you should be good.
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