Jack Rudy small batch cocktail tonic is handcrafted by a family owned company in Charleston, South Carolina. Ingredients include lemongrass, orange peel, sugar, and quinine. It is described on the Jack Rudy website as a "simple, bright, zesty mix to accompany the hottest of days." This tonic is excellent with gin, vodka, and may be used for other cocktails. 

Jack Rudy recipes here.