Feature: 1. Accuracy Testing: Water quality testing powder has a 96% accuracy in detecting fecal coliforms in drinking water, reliable and professional. 2. Easy to Use: Just simple pour 40ml sample water into the bottle and tighten the lid, mix with the powder, and wait for the test result. 3. Widely Used: Suitable for testing various sources of water, including household tap water, swimming pools, aquarium, well and fish ponds. 4. Reliable Professional: Water quality testing powder with a shelf life of 2 years, this powder is a reliable choice for regular water quality testing. 5. Instant Results: Results can be obtained within 48 hours, making it a timely method of detecting the presence of fecal coliforms in water. Specification: Item Type: Drinking Water Test Kit Texture: Powder Accuracy: 96% Shelf Life: 2 Years Tested Element: Fecal Coliforms Application: For drinking water, household tap water, water purification, swimming pools, fish pond water, and more water quality testing. Test Time: 48 hours.. Package List: 1 x Test Powder1 x Bottle