Jack Rudy Cocktail Co. Elderflower Tonic - 16 ozOur Elderflower Tonic is an updated tonic formula with more body and a bold finish that pairs well with a number of richer spirits (such as tequila, bourbon and rum) while still acting as a classic companion to the finer gins of the world. The Elderflower Tonic has a profile that allows G&T drinking deep into the winter months, and shows versatility in a number of different applications. Approximately 22 servings per bottle.