WTF IS THIS
Architectstarted grow question 6y ago
hello guys, is this deficiency? 50% coco 50% light mix because I thought that with 100% light mix I had toxicity, I did not add extra nutrients , humidity 35% something I will fix
Solved
Leaves. Edges burnt
Leaves. Color · Yellow
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Mr_Weeds_Autosanswered grow question 6y ago
This is a magnesium deficiency my friend it starts off as a yellowing of the leaves between the veins. It then slowly starts to climb up the leaves and while it's climbing, some of the first affected leaves will develop rusty-looking spots. But don't get confused. The rusty-looking spots are actually a sign of calcium deficiency. When a plant is deficient in magnesium, it will also become deficient in calcium.
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