Make Dirty Martinis the right way with Fee Brothers Olive Brine for Martinis! It's pure brine used to cure green olives saves buying olive jars just for the liquid! Olive Brine has been filtered lightly to maintain its “dirty” qualities and has the delicious buttery flavour of ripe green olives. It's also popular in the preparation of a Mexican Martini or a Drunken Tomato Bloody Mary.