Published September 12, 2018 15:02 Should I refrigerate my Sparkling Drink Mix? It depends on the type of drink mix - we're all different, right? For flavor specific storage instructions check the printed instructions on the bottle. As a general rule, they should be kept in a cool dry place or refrigerated. Related articles What is the shelf life of SodaStream's Sparkling Drink Mixes? How long will my sparkling water last before going flat? How can I make the best sparkling water ever?