Suitable for Sparkling Wines / Stuck Ferments Sufficient for 22.5 litres (5 gallons) / 30 Bottles. Gervin No.6 is a French yeast which is used to produce high alcohol wines (>18%), sparkling wines or restarting stuck ferments. Sauternes style yeast For use with sparkling wines and restarting stuck ferments. Please browse our full range of yeasts and yeast nutrients
