Leaf tip turning brown


420 Member
A couple leaves are turning brown and tip of some are turning I’m using soil a ph of 6.3-6.5 and these nutrients


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Looks like the start of a magnesium deficiency, very common under LED light and when using filtered water. Add some calmag+ to your nute program, and this will keep this problem from getting worse. The leaves now affected will not come back... they are being cannibalized for their stored up magnesium. Don't remove them until they want to fall off by themselves, or the hungry plant will simply move to the next leaf in line and will do the same thing to it.
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