Third Water

Third Wave Water is a manufacturer of mineral-enhanced water additives designed to optimize the quality of water used for brewing coffee. Founded in 2016 and based in Cedarville, Ohio, the company produces pre-measured mineral packets that consumers add to distilled or reverse osmosis water. These proprietary blends of minerals, such as calcium, magnesium, and sodium, are formulated to align with Specialty Coffee Association standards, aiming to accentuate coffee flavors, reduce bitterness, and improve extraction consistency. By providing a stable, mineral-balanced water profile, the product also serves to protect coffee brewing equipment from limescale buildup and corrosion. The company has expanded its portfolio to include solutions for both home coffee enthusiasts and commercial settings, including larger-scale water treatment systems.

The company addresses the common problem of inconsistent and poor-quality tap water, which often hinders the ability to achieve the intended flavor profile of roasted coffee beans. By offering a convenient way to create standardized, high-quality brewing water, Third Wave Water helps coffee shops and home baristas maintain consistency and equipment longevity. Since gaining significant national exposure via an appearance on Shark Tank in 2017, the company has grown its global market presence and expanded its operational footprint. Recent developments include an expansion into European markets and the strategic acquisition of competitor Perfect Coffee Water in 2025, further solidifying its position in the specialty coffee industry.