SodaStream Mix Syrups. Make fresh, homemade soda using your SodaStream Soda Maker and these delicious Soda Mix flavors! Each 500ml soda mix bottle makes the equivalent of 12 liters (about 33 cans) of soda. Regular soda mix contains no high fructose corn syrup and diet soda mix contains no aspartame. For use with SodaStream Soda Makers (sold separately). Enjoy delicious, fresh and fizzy soda - just the way you like it!