Sumo Potassium Metabisulfite serves as a conservation and anti-oxidation agent. It protects food against bacteria and conserves their natural colour. Thanks to its outstanding purity and quality, potassium metabisulfite by SUMO may be used for the sulfurization of wine where it assures excellent taste. Potassium metabilsulfite is also used in the brewing industry to inhibit the growth of wild yeast. It is also used to neutralize monochloramine from tap water. It is used both by homebrewers and commercial brewers alike.