What did you use for yeast..?

"Willie S" > wrote in message
...
>
> What caused my muscadine wine to turn to vinegar? i only had two & a
> half quarts & when i went to check on it a few days ago it had this
> thick,slimey grease like film over it.I removed it & it smelt like it
> did when i bottled it, today for some reason i checked it again & tasted
> it,,it smelled & tasted like vinegar.Why?
>
> Thanks
> Willie
>
> ps. I also have five gallons of pear wine fermenting,when i bottle
> it,how do i keep it from turning to vinegar?
>