Franklin & Sons Rosemary & Black Olive Tonic is a herbaceous blend of sparkling Staffordshire spring water and natural olive and rosemary flavours, with quinine and cinchona bark extract. This tonic water is a perfect partner to both a sweet and savoury spirit selection. The bitterness of the olive beautifully balances the sweeter notes typical in fortified wines such as Sherry, Port and Vermouth and also pairs perfectly with a herbaceous gin.