Sodium Metabisulphite

To sanitize: add 2 oz to 1 gallon of cold water. To kill wild yeast: add 1/4 tsp per 6 gallons. The hazard classification is “Irritant” and it will provoke an allergic reaction in hypersensitive individuals. People with asthma or emphysema should not breathe the dust or gas from the prepared solution. This sodium source of metabisulfite is not recommended for use as a stabilizer in wine because of possible flavor changes in wine. The use of sodium metabisulfite in all wines made in or imported into the country is currently banned by the United States government due to health concerns over sodium.