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MarianPazdziochstarted grow question 4y ago
My plant is 3 weeks old, and yesterday the first leaf is starting to turn yellow. The temperature is 29°C, humidity is 50%, and I'm using a 250 W HPS lamp. The pH of the water is 6.4.
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Leaves. Color · Yellow
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Do_it_Dananswered grow question 4y ago
You feeding NPK? to me it looks like a nitrogen deficiency. If not feeding the I suggest you give it a small dose.
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Strainhunter235answered grow question 4y ago
I would just keep observing for now and not take any action.
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