(DB120) Four ounces is sufficient for each gallon of wine. Easy to use. Simply prepare the Hawthorn berries by blanching with boiling water. Then they`re ready to use just like fresh. Comes with a recommended recipe. Also use in other wines as a blend. For example add 2 ounces to a 5 or 6 gallon batch of Burgundy wine to enhance its body and increase the depth of the wine`s flavor.