VK-6 is a ready-to-use formula especially formulated for removal of temporary cement from bridges, crowns, inlays, splints, acrylic dentures, orthodontic appliances and instruments. Use undiluted VK-6 in a glass beaker immersed in VK-1 solution. VK-1 solution acts as the ultrasonic conductor between tank and beaker; clean 5-10 minutes; rinse item with water. Efficient cleansing time (5-10) minutes. No diluting necessary - use at full strength.