The fast-acting Mini-Keg Cleaning Tablets are a must have for any keg or growler owner. No brushes or agitation needed! Fill growler/mini-keg with warm water, add 1 tablet, and watch as soils break down in just minutes. Add 1 tablet per 64 oz. and let dissolve. Soak for 10 minutes. Empty growler and rinse thoroughly. Repeat if necessary. Sanitize, if required. 25 cleaning tablets in every container.