This jar of vinegar culture contains 8 oz of active vinegar and includes one or two large size 'mothers'. Add the contents of ths jar (including the mother) to 12-24 oz of beer. The amount of malt (beer) to be converted into vinegar can be increased with each addition of malt.
Making vinegar at home is easy. Very little equipment is needed and the quality of the vinegar that you make is higher than much of the vinegar that you can buy. Instructions are included with the culture but we recommend the book 'Making Vinegar at Home' by Romanowski.