Blatt braune Flecken

NyC0n
NyC0nstarted grow question 5y ago
I noticed today that one leaf has brown spots, I don't know what it could be, the lamp is 40cm away from the highest point of the plant.
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Goldbud
Goldbudanswered grow question 5y ago
As you are growing full organic, don't panic. I looks to me as a kind of temporary fertilization inbalance. The nature will solve that, I would just wait another week.
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2x2growing
2x2growinganswered grow question 6y ago
Looks like it could be a magnesium deficiency. Are you feeding cal/mag?
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Roberts
Robertsanswered grow question 6y ago
It is showing magnesium deficiency. First check run off ph to make sure soil ph is in range. If it is then add cal mag or even epsom salt if in a bind.
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