Published September 12, 2018 15:02 What is the shelf life of SodaStream's Sparkling Drink Mixes? Please check the expiration date printed on the bottle cap or on the bottom of the bottle to determine shelf life! Related articles Should I refrigerate my Sparkling Drink Mix? What is the shelf life of a carbonating cylinder? Why should I register my sparkling water maker? Are your products allergen-free? What is your return and refund policy?