FermFast is a manufacturer of quality high gravity, quick fermenting distiller's yeast. Their 24 Hour Turbo Yeast ferments fast and can tolerate very high amounts of alcohol. It can reach 14% alcohol in 24 hours. This is a package of 260 grams of yeast, which is just over 0.5 lbs, and is urea-free. It produces a very high quality alcohol base of up to 25L in a very short time!