If you're not sure if your water is ideal for coffee brewing, or you're not sure where to start with water treatment at home, Third Wave Water has got you covered. The brainchild of a coffee industry vet and an aerospace whiz, Third Wave Water was created to offer optimized brewing water treatment in a convenient and portable capsule. Just add a dose of Third Wave Water's formula to a gallon of distilled or reverse osmosis water, shake to dissolve, and you're ready to start brewing!