(DB210) Two ounces is sufficient for each gallon of Elderflower wine. Easy to use. Simply prepare them by blanching with boiling water, then they`re ready to use. Comes with a recipe. Also use in other wines as a blend. For example, add 1 or 2 ounces to a 5 or 6 gallon batch of Riesling wine to enhance the wine`s flavor and aroma.