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Why is my WW seedling browning?

LKABudManstarted grow question 5y ago

I have a White Widow seedling that is showing brown spots. I am not sure if the LED light was too close, or if it is showing nutrient deficiencies/excesses. pH=5.8, PPM=160 (80ppm in well water).

LKABudMan

LKABudMan

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Leaves. Color · Dark-brown

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DudeGrowsWeedanswered grow question 5y ago

Are all 4 doing this? Or just one? If just one, I’d check to make sure the air stone is clean and passing air easily. Good luck

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LKABudMananswered grow question 5y ago

Only one of the four plants is showing these brown spots. I will check the stone on this bucket to make sure it is unobstructed. Any other ideas?

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