Allagash Brewing microbiologist and head of quality control Zach Bodah's favorite microscope picture of Brettanomyces (taken in house). The culture comes from Confluence Ale and is a blend of the Allagash house yeast and Brett yeast.
Courtesy of Zach Bodah/Allagash
Hold Your Horses: The main flavor of a sour beer is tartness, like a strawberry or lemon. But many sours also have a "funky" taste that some say smells like a horse blanket or a barnyard.