Thirst Buster is a frosty, non-alcoholic,

slush Slush, also called slush ice, is a slurry mixture of small ice crystals (e.g., snow) and liquid water. In the natural environment, slush forms when ice or snow melts or during mixed precipitation. This often mixes with dirt and other polluta ...

y beverage available at

Shell Canada Shell Canada Limited (french: Shell Canada Limitée) is the principal Canadian subsidiary of British energy major Shell plc and one of Canada's largest integrated oil companies. Exploration and production of oil, natural gas and sulphur is a maj ...

gas stations. It is available in various flavors. Thirst Busters are made using a mixture of

syrup In cooking, a syrup (less commonly sirup; from ar, شراب; , beverage, wine and la, sirupus) is a condiment that is a thick, viscous liquid consisting primarily of a solution of sugar in water, containing a large amount of dissolved sugars ...

, frozen

water Water (chemical formula ) is an Inorganic compound, inorganic, transparent, tasteless, odorless, and Color of water, nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living ...

, and

carbon dioxide Carbon dioxide ( chemical formula ) is a chemical compound made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature. In the air, carbon dioxide is trans ...

. The ingredients are fed into the Slush Buster Machine at different pressures, blended, then pushed under pressure into a stainless steel chilling tank. The tank contains rotating scraper arms to prevent the mixture from freezing. When the customer opens the tap, the machine's internal pressure pushes the mixture out.

See also