Carboys and demijohns have been used since ancient times to store and transport liquids as well as foodstuffs like grains and salt. Carboys are also widely used in the fermentation of grains, fruits and hops used to make beverages like beer, wine, mead and cider. With a rigid structure and varying size, carboys can be found in many laboratories and chemical processing plants, too. The primary spec you’ll want to determine before buying a carboy is size. If you’re using your carboy in a laboratory setting, you might also be interested in Zoro’s selection of laboratory supplies and laboratory funnels. For liquid storage and fermentation, shop bottles and jars as well as mixer accessories like stirring bars, propellers, funnels and more.