What does yellow tips mean where does it come from or what am I doing wrong

Jhigh78started grow question 4y ago

How does this plant look as of now it has some yellow tips coming up why is that and how do I fix it

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Leaves. Color - Yellow

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Diamonddawganswered grow question 4y ago

Looks like nutrition burn drop it few ml

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Diamonddawganswered grow question 4y ago

Give them a flush

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