Inspired by fresh citrus, the expert mixologists at Bittermilk developed No. 5 Charred Grapefruit Tonic. Featuring Bulls Bay Sea Salt, this mixer is a balanced blend of organic lime and lemon juices, organic cane sugar, and cinchona bark for a natural quinine boost. Fresh grapefruit is peeled and torched to extract a bitter yet refreshing citrus note. Build over ice equal parts No.5 + vodka + soda water in a tall glass. Garnish with a lime wedge. Works well with any light spirit, or as a non-alcoholic soda.