Published 30 April 2019 12:15 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? Will my carbonating cylinder expire? How much Sparkling Drink Mix should I use? How should I store flavors? My sparkling water is not fizzy enough. Help!