They last forever, due to the acidity. They may develop sediment,
which is just mother of vinegar, and harmless.

Dianna


On Tue, 28 Jun 2005 04:01:46 GMT, "amber" > wrote:

>Have been cleaning out the pantry and have come across various unopened
>bottles of red wine vinegar and balsamic vinegar.
>
>I know that oils become rancid with time and should be used quickly ... but
>what about vinegar ? Does anyone have any ideas on this.
>
>All responses will be much appreciated.
>

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