1 x 10Kg UTENSIL PRE-SOAK Pre-Soak Powder UTENSIL PRE-SOAK will de-tarnish and presoak stainless tableware china and porcelain. Dissolve 20z (55g) or more of product for each gallon (4.54L) of warm water in a bowl. For best results soak in solution for at least 15 minutes prior to washing and rinsing. Change solution as required. Using Powder Shaker shake a small amount of powder into stained cup or mug fill with warm water allow to soak for 10 ? 15 minutes agitate with brush or scourer if necessary.