Yellow-purple leaves Royal AK auto

Fredoh
Fredohstarted grow question 6y ago
My RAK automatic is showing severe coloration... Whats the deficiency? Also, the WW auto is beginning to have yellow tips.... Somebody with some proper advice? Thx in advance
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Leaves. Color · Dark-purple
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GMSgrows
GMSgrowsanswered grow question 6y ago
Led lighting, to much cal/mg. Cheers
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