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Test strips are one of the easiest methods of testing water. Simply dip the strip in water, following the instructions and compare the color of the strip to determine the result. Use test strips when a general range is sufficient. Test strips should not be used when an exact measurement is required.
With Hach Water Quality Test Strips, technicians in the field can test many samples in only a few minutes, and make immediate evaluations on-site. No measuring, set-up, clean-up, or chemical handling are necessary. Hach test strips are also used in laboratories all over the world for pre-test screening-to detect the presence of materials that might interfere with lab testing.
Test strips are one of the simplest types of tests to use. Simply dip the strip into the water according to directions on the bottle or package. The test strip will change color. Then compare the color of the test strip to the chart provided in the package to determine the test result.
For common questions about test strips, see our FAQ page.
Hach Test Strips are semi-quantitative and are accurate to +/- one half of a color block. Quantab strips are accurate to +/- 10 percent. Specific accuracies vary by parameter and are denoted on the product ordering page as well as on the package itself. If you are looking for a more precise method of testing, for instance if you are reporting to the EPA, please view our other test kits.
Hach has a complete portfolio of instruments and chemistries with support and services to help you get the right results.