The other main player is Fever-Tree Light Premium Indian Tonic Water, which marries fruit sugars and botanical flavours with ...

Its first product was Premium Tonic Water, still Fever-Tree's flagship. It blazed the trail that led to the company becoming the world's leading supplier of premium mixers for alcoholic spirits.

London Dry gins are usually bold on the juniper, so a straightforward, dry tonic water—like Fever-Tree Indian Tonic—will highlight those flavors without adding too much sweetness.