This malt mother of vinegar is perfect for making up to 2 quarts (64 oz) of malt vinegar from beer.
Directions: For beer of alcohol content of 8%-10% ABV: add 8 oz of mother of vinegar to 16 oz of the beer of your choice to make 24 oz of vinegar.
For 6% ABV to 8% ABV: add 8 oz of mother of vinegar to 24 oz of the beer of your choice to make 32 oz (1 qt) of vinegar.
Place in glass, wood, or food safe HDPE plastic w/a removable top or holes allowing for aeration. Cover holes or open top w/cheesecloth to block insects. Allow to sit 6-12 weeks. Best temperatures are 80-85 degrees Fahrenheit. You can reuse the mother from your vinegar.