Genuine PuriTEST Silver Testing Kit Professional Silver Do-It-Yourself Acid Test Liquid with Stone

Every Buyer will receive a one(1) NEW Half-Ounce (1/2 oz; 0.5 ounce) bottle of silver test acid along with a testing stone! (Exactly as shown in the picture) The acid will change color based on Purity of the sample you test. -- Step 1- Rub the coin/jewelry on the testing stone. After doing this it will leave a silver streak on the stone. Then place one drop of the Silver Acid onto the streak on the stone. (Reference the table above for purity levels). Step 2- Clean the oxidized silver. Silvercoins.org recommends using a lemon acid bath or a silver cleaning solution.