AdvertisementHow Brewers Are Churning Out Tangy Sours Without The Hefty Price TagAugust 28, 2015Alastair BlandfacebookEmailBrewers from Draught Works and the Denver Beer Co. collaborate on making a huckleberry sour beer last weekend at the Draught Works brewery in Missoula, Mont. The beer was kettle soured before being added to the fermentation tank seen here. (Courtesy of Draught Works)