Edit: to add, the jar was properly sealed when I opened it.

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[–] 12 points 9 months ago* (last edited 9 months ago) (3 children)

That's what you get with berries concentrate (a supply-chain thing) and sugar.

But not so with self-made jam. Mold hates acidic environments. The jam rather dries out than getting moldy.

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  • [–] 8 points 9 months ago (1 child)

    My moms jams do get moldy though.

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  • [–] 6 points 9 months ago* (last edited 9 months ago) (2 children)

    What jam is it? My mom is a farmer and makes all kinds of jam, never saw mold there the last 30 years.

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