JSP Silver Sterling Testing Acid Solution ? 0.5 oz Bottle | Fresh Accurate Assay Fluid for Jewelry Appraisal Test the authenticity of your Silver with confidence using this genuine JSP Silver Testing Solution. Trusted by professionals since 1980, JSP acids are known for their accuracy, consistency, and long shelf life. Ideal for jewelers, collectors, resellers, and hobbyists alike. Product Features: ? Fresh Reliable ? We only sell freshly sealed bottles direct from the manufacturer. ? Accurate Results ? Designed to test and confirm Silver, Sterling, and 925 purity quickly and easily. ? High Yield ? One 0.5 oz (14g) bottle provides up to 400 tests. ? Compact Portable ? Small size is perfect for estate sales, travel, or at-home use. ? Trusted Brand ? JSP has been the industry standard in testing solutions for over 40 years. How to Use: Scratch the item on a test stone (not included). Apply a drop of the Silver acid to the scratch mark. Observe the reaction: If the mark holds, the item is at least Silver. Includes: (1) Bottle of JSP Silver Sterling Testing Solution ? 0.5 oz (14g) (1) Printed instruction booklet with easy-to-read reaction chart Note: This listing is for one bottle only. Test stone and other tools sold separately.