Now, a new and faster way to test your Sporox® Sterilizing and Disinfecting Solution. Test vials provide a rapid, convenient qualitative means of indicating whether effective concentrations of hydrogen peroxide are present in your Sporox® II solution. Kit includes a test vial containing a reagent that when mixed with a drop of the indicator solution and a sample of the Sporox® II solution being tested will change color after two minutes to determine if the solution is still effective.