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Quickly measure the hardness of your water to prevent mineral buildup that may trap in soil and bacteria. What is that good for logos (best used for to analyze water quality in pools, aquariums, homes, industrial processes, educational experiments, and for homeland security applications.) Note 1. Insert the reactive part of test strip into the test liquid for 2 seconds, then, take out the test strip. 2. Wait for 30 seconds and then compare with standard color chart to get the test result. 3. Cover the lid immediately after getting out the needed test paper. 4. Do not touch the reactive part of the test paper by bare hand. 5. Store in cool and low relative humidity place.Feature
ACCURATE and Sensitive