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Bruising gallery on Shroomok

abort dark spots (sporulation) contamination metabolites mutation overlay side & bottom pinning

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Photo examples of mycelium bruising, mushroom bruises due to oxidation. Confused with mold contamination, but it's NOT contam. Bruises on shrooms. Mycelium bruising on agar, grain, mushroom cake. Q&A, how to identify whether it's bruising or mold contam

Bruising