Crafted with natural spring water and a hint of Scottish sea salt, Fever-Tree Club Soda is a highly carbonated soda and an essential for the cocktail enthusiast. It is perfect for creating the ultimate spritz, enlivening a classic mojito or extracting new layers of flavours from your favourite whisky. Crafted with natural spring water and a hint of Scottish sea salt, Fever-Tree Club Soda is a highly carbonated soda and an essential for the cocktail enthusiast. It is perfect for creating the ultimate spritz, enlivening a classic mojito or extracting new layers of flavours from your favourite whisky. 4 x 200 mL bottle