Specification Name: 17-in-1 bacterial coliform test strips for drinking water, swimming pools, fishponds, sewage Material: PVC Size: 130*4(mm) Testing time: 30S Accuracy: 98% Accuracy96% Advantages: No interference from VC Detecting elements: pH, hardness, sulfate, iron, copper, manganese, total chlorine, residual chlorine, nitrate, nitrite, hydrogen sulfide, zinc, fluorine, salt, total alkali, bacterial detection Scope of application: for drinking water, aquariums, swimming pools and spas, industrial water, ponds, spa water DESCRIPTION 17 IN 1 COMPREHENSIVE TEST STRIP: Our 17 in 1 test strips provide comprehensive water quality analysis including pH, chlorine, hardness and more. With just one test, you can get a complete picture of the water you need to test, whether it's drinking water, tap water or well water. 125pcs Test Strips: Our test strip kit includes 125 strips of test strips, 2 strips of E. coli test strips and a test tube. Enough test strips allow you to continuously monitor your water quality over time to ensure its safety. EASY TO USE: Our water test kits are easy to use. Simply immerse the strip in water, wait a few seconds, observe the color change, and compare it to the provided color card for a quick overview of water quality. PROTECT YOUR HEALTH: By regularly testing and monitoring your water quality, you can ensure that your water is free of contaminants such as excessive chlorine, copper and other heavy metals and other harmful substances. This helps protect your health and that of your family. WIDE APPLICATION: This comprehensive water quality test kit is suitable for a variety of water quality tests, including testing drinking water, household faucets, well water, tap water, swimming pools, hot tubs, spas and aquariums. 17 in 1 1*125 test strips 2*E. coli test paper 1*test tube Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.