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Burnt/yellow edges, older growth
Growleculestarted grow question 5y ago
Hi growmies!!😁👍
Anyone can help me indentify my problem? Edges of the older leaves are yellowing and browning simce a few weeks, after the transplant it seems to be better, still after 1 week some leaves yellow a bit on the edges, and some black tips also thanks in advance!!😁
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Leaves. Edges burnt
Leaves. Tips - Burnt
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MrBlocc420answered grow question 5y ago
Looks like a magnesium deficiency, A light green or yellow coloring will begin to show on the veins and edges of the lower & older leaves – this is one of the classic signs of cannabis magnesium deficiency. You may also see red stems.
Magnesium is a mobile nutrient, which means that the plant can move it from old leaves to new leaves.
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Fusionanswered grow question 5y ago
Looks like your running hot. Yellow tips can happen from fan too. Your way too bright green/yellow so will want to drop your pH.
- lighter green = pH up
- Darker green = pH down
If run anything less than 5.8-5.9 will want to add few drops of calcium. ( cal-mag, cal-pro, etc. )
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