New 16 in 1 test strips: our test kit tests the following tests: total alkalinity - pH - hardness - lead - iron - chromium / CR (VI) - bromine - nitrate - fluoride - VC - calcium - free chlorine - total chlorine - carbonate root - acid cyanuric Quick and easy test: just dip a strip in drinking water for 2 seconds, then remove the test strip and hold it horizontally for 60 seconds, then compare it to the chart for reference. It is not necessary send specimens or go to the lab Application: Test strips for testing drinking water, household faucets, well water, freshwater swimming pools and more water quality testing. For healthy use, please use the professional test strips to detect water quality standards Practical and economical: each bottle includes 100/50 test strips. So you don"t need to spend a fortune to test the waters. Test strips offer an affordable option for water testing on a budget and can provide important information on water quality and safety Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it