Yellow spots forming on leaves

Whats causing my plant to yellow on the leaves? Their 3 weeks old and one plant started this. Led light is 12 inches away

I think she looks good. Keep doing what ur doing


I think your light might be to close at foot away. I’d raise it to two feet and see what happens. That might be causing the yellowing. My second thought is the start of a magnesium issue. If so the yellowing will continue in between the veins of the leaf. They will look striped. Treat with calmag if so.

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PH n Nutes are common sources of problems.
What is your PH?

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Duplicate post. @Aquaponic_Dumme I don’t know if you want to merge this.