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I'm making vinegar by adding all natural apple juice to all natural apple cider vinegar with mother.

A scoby formed on top.

Mold is now growing on top of the scoby. It's stuck on top of the scoby, not floating on top. I can't​ easily scrape it off without scraping the scoby.

Should I leave this mold on top, will it affect the vinegar?

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