gdogfunkanswered grow question 5 years ago Your light is definitely too close, in addition to a touch of nute burn. I personally like my leaves to have only that amount of nute burn, but not so early in the life cycle. By the end of harvest is usually when I can see the slight nute burn indicating I've been feeding the maximum amount the plant can handle without overdoing it. Regarding the LED distance, your LED should have come with a manual, but my LED recommends 24" distance from light to top of the plants during veg (36-40" away for seedlings/clones) and then 18" away during flower. Unless your LED manufacturer suggests otherwise, I would definitely raise the light to 24". I hope this helps!