Made from a Massachusetts craft porter our Porter Beer Malt Vinegar is dark, malty, and bold and will put your malt vinegar to shame. It is slow fermented in small batches using a unique process from the early 1800s and aged in 25-gallon American oak barrels. Size 250ml glass bottle Perfect For Fish & chips, cruciferous vegetables, meat marinades, stews, and for finishing cream-based sauces. Fermentation Base Porter Beer Base Origin Massachusetts Taste Profile Richer than malt vinegar with a smooth and warm malty finish. Production Process Slow fermented. Aged in oak barrels. Minimum Acidity 4%