A beer that is intentionally brewed to be acidic, tart, or sour to taste is called a Sour Beer. Microbes such as Lactobacillus and Pediococcus are used to sour the beer, while fungi like Brettanomyces can add some acidity. Sour and tart flavours are also
Ben Johnson Owner, INOX Brewery Consulting As I write this article, I find myself sitting at a beer bar in Brooklyn, NY, staring at 25 taps of various amazing craft beers. There are absurdly hoppy American west coast IPAs, cloudy and soft East Coast IPAs, American sours,