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Small Yellow spot at the edge of bottom fan leaf
Gongonstarted grow question 5 years ago
Hi there, I spotted small yellow dots at the edge of bottom fan leaf. Plant looks healthy but this dots makes me worrie, it might be begin of something bad, so far its really small. Does my plant need more N? Or maybe it's because of LED COB light and needs cal mag?
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Leaves. Color - Yellow
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Frodoanswered grow question 5 years ago
I think they are water burns on the leaves when you water. Under the light, the drops of water act as a solar mirror. Always water when you are about to turn off the lights.
Ttrichomeanswered grow question 5 years ago
Looks like ur medium is staying a little moist. If the tip of the leaf is up against touching, or even in the soil. It will cause marking like that. But I will say tht isn't the only cause.... but ur most likely.
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