The McDantim Trumix TM1 Gas Blender is the professional choice for ensuring a perfect pour in stout and nitro-coffee systems. This precision instrument automatically mixes Nitrogen and CO2 to a consistent 25% CO2 / 75% N2 ratio from separate bulk tanks. This specific blend is the gold standard for serving Guinness and other nitrogenated stouts, as well as nitro cold brew, ensuring the iconic creamy head without over-carbonating the beverage. Engineered for high-volume reliability in professional draught rooms.