Water Metals Check is a test kit that contains 50 patented test strips to detect metals in water. Each strip checks for various Heavy Metals, values are combined. This test is a very attractive alternative to wet chemical iodine tests. No other chemicals are required, safe and easy to use. Noncarcenogenic indicator. Can be done at home or in the field. How to use test strip: dip a test strip in water for 30 seconds. Remove and shake strip to remove excessive water. Wait for 2 minutes, and match the color chart. US Patent 6541369
