Dunkle Stellen am Stamm?

Lapaluma420ohe
Lapaluma420ohestarted grow question 2y ago
Does anyone know what this is, or what can be done about it? Royal Jack automatic from RQS in the 2nd week of flowering.
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7x7grow
7x7growanswered grow question 2y ago
It CAN indicate a slight phosphorus deficiency, but it absolutely doesn't have to; it could just be the genetics. If you want to be sure, you can moderately add a bit of phosphorus plus something similar. In my case, almost all are purple; it's just the genetics.
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