Distiller's Yeast (DADY) 1 LB by Red Star Distiller's yeast, 1 lb. foil bag, purged with nitrogen to preserve quality. Ferments up to 22% before slowing. Use nutrients to obtain the highest alcohol level prior to distillation. Usually not used for wines or beers. Sufficient yeast for approx. 500 gallons Typically not used for Beer or wine. This one pound pack is sufficient to ferment 500 gallons up to 22% alcohol before it starts slowing down. Produces 14-22 percent alcohol. Requires yeast nutrients. This distiller's yeast requires additional nutrients to ferment up to 22% alcohol.