Leah’s Beer School: Lesson 54
What is Nitro Beer? Most beer is carbonated through CO2, both naturally through fermentation and additionally through forced carbonation. To achieve peak effervescence, carbon dioxide is injected into the beer, pressurizing bottles, cans, or kegs. Nitro beer differs in that it contains a mixture of nitrogen and carbon dioxide, where nitrogen accounts for 70-75% of the mix, and carbon dioxide the remaining 25-30%. Nitrogenated beer was originally developed to replicate traditional cask ale, which is naturally carbonated through fermentation, and naturally nitrogenated from the exposure to air when a pint is drawn from the cask. History of Nitro Beer In …