A lightly carbonated soda water, made using soft spring water, making it perfect to bring out the flavour of fine whiskies. ### Product Description Fever-Tree is a producer of premium drink mixers. Charles Rolls & Tim Warrillow researched quinine sources from as far back as 1620 trips to find the purest strains of this key ingredient and 5 iterations of the recipe were tasted before Charles and Tim were happy with the result. Tasting Notes Delicious soda water with a delicate aroma.