A wide range of concentrations can be measured with the SenSafe Water Metals Check test kit. Results are fast and accurate (under one minute!). This kit tests for the presence of Cadmium, Cobalt, Copper, Iron (ferrous +2), Lead, Mercury, Nickel, Zinc and other +2 valence metals. Strips are packaged in either bottles or foil packets labeled with an easy-to-use, detailed color chart. This test kit offers a an attractive alternative to wet chemical Iodine tests for several reasons. A WA mechanical reader is NOT required, and this product is safe and easy to use since there are no chemicals to mix, an MSDS is not required, and the indicator is noncarcinogenic. The Detection levels are Detection levels: <10, 20, 50, 100, 200, 400, and 1000 ppb (µg/L). No MSDS Required Fast Test Procedure Easy Test Procedure 50 Test per Bottle UPC 809762803092 Brand Name SenSafe Item Weight 0.08 Pounds Manufacturer SenSafe Recommended Uses For Product Tap Water, Well Water