Enjoy great caffeine free cola taste without the guilt of calories with this diet cola from SodaStream. SodaStream Diet Sparkling Drink Mix does not contain sugar or aspartame. Each bottle makes 36 servings (9 liters) of refreshing soda. Creating your own sparkling drinks at home has never been easier! Simply carbonate water with your SodaStream Sparkling Water Maker (sold separately), add your favourite flavor and enjoy!