fee brothers peach bitters 5oz fee brothers this peach bitters is a unique, fruity mixer brought back from obscurity by fee brothers. ideal for use in drinks such as xeres, coronation, or even as a substitute for bitters in a classic martini. opened in 1863, fee brothers of rochester, new york, is in its fourth generation of manufacturing top quality cocktail mixes, bitters, flavoring syrups and other beverage ingredients. size: 5 fl oz