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agp
09-07-2013, 05:18 PM
I have a big bottle of white wine vinegar I got from Costco. After not using it for maybe two weeks, there's a white film that formed on top. When I moved the bottle, it sank to the bottom. Anyone know what this is and how I can prevent it in the future? Also, can I still use the vinegar?

https://lh3.googleusercontent.com/-UtzYqrYgV4M/UiuJzOLnnLI/AAAAAAAAASk/bqj2rGgDKDk/s512/CYMERA_20130907_161441.jpg

https://lh5.googleusercontent.com/-_FOx_-ebSLo/UiuJzDAh_AI/AAAAAAAAASo/gPkkEFDVLgk/s512/CYMERA_20130907_161459.jpg

gic
09-07-2013, 05:25 PM
Wow you are actually probably lucky, that's almost certainly what is called a "mother" and can be used to form new vinegars from any wine...

http://en.wikipedia.org/wiki/Mother_of_vinegar

tkern
09-07-2013, 05:26 PM
Is your vinegar unpastuerized? If so that white film is the "mother". If you want you can strain it out, reserve it, and make your own vinegar.

tripleq
09-07-2013, 05:46 PM
If you are unsure bring it back. One of the things I love about Costco is their liberal return policy.

agp
09-07-2013, 06:07 PM
The bottle does not say whether it is pasteurized, but it does say sediment formed is harmless. The brand is Acetum if anyone know if it is pasteurized or not.

bahamaroot
09-07-2013, 10:30 PM
The vinegar doesn't have to be unpasteurized for mother of vinegar to form it's just more common in unpasteurized.

bear1889
09-09-2013, 09:04 PM
http://down---to---earth.blogspot.com/2007/12/good-mother-making-vinegar.html

Dude, what gic said!!

EdipisReks
09-09-2013, 09:21 PM
Yeah, that's nice.

Baby Huey
09-10-2013, 12:57 AM
Duck!!!!!!!!!!!!! New vinegar making hobby incoming!!!! :peepwall::peepwall::peepwall: