LIQUOR QUICK SuperYeast X-Press is the new generation (2004) high alcohol turbo that can produce 25 L (6.5 U.S. Gallons) of 20 per cent alcohol base in as little as 5 days. The new X-Press is completely stackable, which means that you can ferment multiple packs at a time, as long as the sugar, water, and temperature is kept constant. It works by fermentation of a special distiller's yeast and complex blend of nutrients and vitamins. Net Wt is 135g (4.75 oz). View the instructions, including ways to further increase your alcohol content.