Cream chargers are canisters containing nitrous oxide gas (N2O), which dissolves into cream to create whipped cream for desserts or hot drinks. Soda chargers are canisters containing carbon dioxide gas (CO2), which is used to carbonate beverages like water, soda, and other carbonated drinks. If you are looking to carbonate your drinks, check out our iSi soda chargers which are available in packs of 10, 100, 200 and 360.