Stop guessing why your leaves are yellow! Learn the 8 most common causes—from pH to pests—and the exact steps you need to take to fix the problem.
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Are you seeing browning leaf edges and curling? You may be suffering from a potassium deficiency. Learn how to quickly diagnose and correct it.
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Are your leaves looking a little yellow? Have you been really successful planting cannabis at home, but lately your plants seem to be struggling? You may have a nitrogen deficiency.
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