BTtime Water Quality Test 100 Test pH Test Papers for Well and Tap Total Free Total 16 Substances Water Test Strips for Drinking Water Testing 16-in-1

---------------------------------------------------------------------- 1. High Accuracy: The pH test strips are a high-precision testing tool that can quickly and accurately measure pH values. By comparing with the pH standard color card, the pH value of the test solution can be accurately displayed, ensuring the accuracy of the measurement results. It is very accurate and reliable. 2. Material: Made of high-quality filter paper, it changes color instantly when it comes into contact with water, has a fast reaction speed, and will not distort the data, ensuring accuracy and reliability. 3. Wide measurement range: Not only can it measure pH, but it can also detect 16 common water quality issues, including alkalinity, copper, iron and lead, providing a comprehensive understanding of water quality conditions and covering a wide range of water quality analysis. 4. Easy to use: pH test strips are very easy to use. Simply dip the test strip into the test solution and the result will usually be visible within a few seconds. Using a test tool makes your work easier. 5. Wide range of applications: It can test various types of water, including drinking water, tap water, and well water, meeting various usage needs. It is suitable for science projects, student research, experiments, independent study, etc. Made of high-quality filter paper, it changes color instantly when it comes into contact with water, has a fast response time, and will not distort the data, ensuring accuracy and reliability.