Hagerty Silver Bass comes in two products: professional use and personal use for the public. The personal use should be soaked in the liquid for about 2-4 minutes. (Professionals have been mainstream in 5 to 10 seconds) Personal use has been launched for environmentally friendly general purpose. How to Use: 1. Insert silver products (karatrie, necklace, etc.) into the basket in the container. Apply for 2-4 minutes. 2. Take out the basket and run it under running water. 3.Wipe with soft cloth