Use 1/2 Teaspoon per gallon must to help natural fruit breakdown. Also used to reduce the hazing effect of pectin's when using real fruit in your beer, wines, or meads. Mix 2 tsp with cold water and add to 5 - 6 gallon of must before the start of fermentation. Enzymes denature above 150 Fahrenheit (approximately) thus if you are doing any heating of your product add them after the product has cooled.