If 3/4 of your drink is the mixer, mix with the best. A fresh, floral & subtly sweet tonic water crafted by blending spring water with the essential oils of handpicked elderflower and quinine from Central Africa, Fever-Tree Elderflower Tonic Water contains absolutely no artificial flavours or sweeteners. It pairs perfectly with fresh and floral gins or premium vodkas. For the perfect drink simply mix: 50ml spirit, 150ml Fever-Tree Mixer, garnish & stir.