The London Essence Company Grapefruit and Rosemary Tonic Water showcases a precise balance of crisp, cold pressed grapefruit oils and distilled rosemary essence. A tonic water brimming with fragrant flavour and the added trademark bitterness of quinine. The result is an invigorating, aromatic drinking experience. The London Essence Company Grapefruit and Rosemary Tonic Water is an exemplary choice for pairing with citrus gins.