If you’re looking to add fresh wort at packaging—whether you call it speise, gyle, kräusen, or something else—this calculator will help you dial in how much wort of a given gravity you’ll need to hit your carbonation target.
Wort Addition Needed:
Need to convert Specific Gravity to °P? Check out Specific Gravity-Plato Calculator.
Special thanks to Josh Brengle at his team at Cervecería Hércules in Querétaro, Mexico, for sharing the calculator, based on equations from the work of brewing scientist Ludwig Narziss. Here is the equation: