Extra Sharp – An enzyme, often added to pasteurized milk for making cheeses more flavorful. Adds piquant flavor to Italian cheese such as Romano, Provolone & Parmesan. Contains Salt, pregastric lamb lipase and non-fat milk. Store tightly sealed in the freezer for up to 6 months for optimum performance. Longer storage times may require increased usage levels to achieve the same enzyme activity. Each 1 oz. bottle contains approximately 5 teaspoons and is enough to do at least 40 gallons of milk and up to 80 gallons depending on your taste. Do not exceed 1/4 tsp per 2 gallons milk. Kosher. Net Wt. 1 oz.