This new generation of yeast can produce 6.5 U.S. Gallons (25 L) of 20% alcohol base in under 7 days. Multiple packs can be fermented at a time, as long as the sugar, water, and temperature is kept consistent. Tithe super yeast contains a special distiller s yeast and complex blend of nutrients and vitamins allowing it to reach such high alcohol volumes is such a short amount of time. Detailed instructions on the bag.