It is a white crystalline powder that has a strong pungent sulfur odor, is used as an additive, preservative, antioxidant and anti-microbic agent in the food and beverage industries.
Commonly used in the production of wine, cider, juice, and beer brewing. It preserves the natural color of food and protect against bacteria, effectively kills wild yeast and bacteria.
Also preserve the taste of dehydrated foods and make more palatable. Potassium Metabisulfite can preserve fruits as part of the canning or dehydration process.
Dosages: To Kill Yeast: Add 1/4tsp/ 5gallon of must, to sanitize: Add 2oz/ gallon of water.