Designed for use in Soda Siphons for delicious sparkling water or to add to beverages for carbonation. For best results always use very cold water. Whether the Sodamaker Classic, Soda Siphon, or the Twist’n Sparkle; the iSi soda chargers are suitable for all soda equipment. Are you looking for something special? Then carbonate fruit with the soda chargers in the iSi Gourmet Whip: a culinary surprise for you and your guests!