Any idea whats up with this little kush clone?

Any idea what's up with this little lady? I gave this clone to a friend and she just sent me that picture. Never seen this before but I'm guessing it's a nutrient deficiency. The leaves have a light brown color coming from the center of the leaf and moving outward. Looks strange but I think it's on all of them

Id say light burn.

What kind of lights and how far away

projectinfo said:

Id say light burn.

What kind of lights and how far away

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Don't think it's the light, she's had it outside for about a month now with no issues