ArticleUnderstanding Beer Spoilage Microorganisms can cause undesirable effects on beer in several ways, including undesirable changes in beer flavor and aroma. Growth of microorganisms on raw materials or in wort can produce changes that alterAlready a member? Log InWritten by Chris BibleYou'll Also Like Article MEMBERS ONLY Sour Sans Bacteria – Brewing with lactic acid-producing yeast New strains of yeast are being released in dizzying array thanks to yeast wranglers. Discover some of the benefits and pitfalls of these new strains being offered. Article MEMBERS ONLY Methods of the Low Oxygen Brewhouse Two advocates for low oxygen brewing explain the theory and reasoning behind it, plus share best practices to limit oxygen exposure in the brewing process.