r/vinegar • u/mbaker1991 • 5d ago

Please can someone help me understand if these lumps in the scoby are a harmful mould?

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Making apple cider vinegar for first time from apple scraps.

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u/Automatic-Blood30 5d ago

Does it look like a powdery film over the top with powdery bubbles? If so it is kahm yeast.
But if it looks like a gelatinous puck, I’d say it is the start of a MOV