Fermo Brew Acid

Active Dry Yeast ideal for sour beers

Fermo Brew Acid is a natural yeast strain (Lachancea thermotolerans) that produces lactic acid while initiating alcoholic fermentation, in a novel, easy-to-reproduce process for any sour-like beer. It is an indigenous yeast which produces high concentration of lactic acid, the principal component of sour beers distinctive taste. This yeast makes a consistent “crispy” beer with a more reproducible souring process. Fermo Brew Acid is compatible with any conventional yeast and common fermentation procedures, making it ideal for any sour-style beer production.