Professional Testing: These reliable Water Quality Test Strips reduce testing time and expense compared to traditional aquarium water testing. Drinking Water Test Strips provide accuracy and reliability. Ease of Use: The Water Quality Test Strips are the most affordable water quality testing method and are easy to use. Immerse the Drinking Water Test Strips in water for 1-2 seconds. Remove the Water Hardness Test Strips from the water and read the test results within 60 seconds. Compare the color change on the Well Water Test Strips to the color chart on the bottle label. Complete Testing: Water Quality Test Strips cover 31 major contaminants of your concern, including pH, total chlorine, nitra tes, nitr ites, hardness, carbonates, and more. Widely Applicable: Each Water Quality Test Strips provides accurate and fast results for any water source, including fresh and salt water aquariums, fish ponds, household faucets and faucets, drinking water, well water, and more. Safe Drinking Water: The Water Quality Test Strips can detect low levels of impurities and foreign matter to ensure your family's drinking water is safe. Drinking Water Test Strips solve your water testing problems.