As a sanitizer - use 2 oz per 1 gallon of water. As an antioxidant and bactericide - use 1/4 teaspoon to 6 gallons. Dissolve sulphite in warm water before adding.
As a sanitizer - use 2 oz per 1 gallon of water. As an antioxidant and bactericide - use 1/4 teaspoon to 6 gallons. Dissolve sulphite in warm water before adding.