Seltzer Water

Seltzer water is plain water carbonated with dissolved carbon dioxide. It tastes clean and neutral with crisp, prickly bubbles, and it pours clear and highly effervescent. Cooks and bartenders use it to lighten batters, build spritzes, and stretch strong flavors without adding sweetness. Sold in bottles and cans, usually unflavored.

The term "seltzer" traces to the German town of Selters, known for naturally sparkling mineral springs. Artificial carbonation developed in 18th-century Europe led to widespread production, and seltzer became a staple mixer in American bars and soda fountains.