Attenuation (brewing) Attenuation (brewing) In brewing, attenuation is the percentage that measures the conversion of sugars into alcohol and carbon dioxide by the fermentation process; a more attenuated beer will generally be drier and more alcoholic than a less attenuated beer made from the same wort. The percentage is calculated by comparing weight or specific gravity of the extract before and after fermentation. the following iteration,Attenuation = 100 % * (starting gravity − current gravity) / (starting gravity − 1) is meaningless This formula works with extract given in weight percentages or degree Plato. Extract refers to all the non water substances
Allagash Brewing Company creating what is known as a "living" beer. Today, Allagash has eight year-round beers in its portfolio, seven yearly releases, and numerous one-offs and keg-only releases. Allagash Brewing Company Allagash Brewing Company is a brewery in Portland, Maine. The brewery was founded in 1995 by Rob Tod in Portland, Maine. He recognized a void in the American Brewing movement of the time. While both German and British style beers were available throughout the country, Belgian-style beers were difficult to find. He established a small, 15-barrel brewery, and began brewing a beer modeled after a Belgian Wit beer, named Allagash White.