The "HOVIRAN" Water Bacteria Test Kit includes 5 tests specifically designed to detect bacteria in drinking water, pools, ponds, and lakes. This testing kit is suitable for use in ponds and provides a quick and easy way to ensure the water is free from harmful bacteria. Water Testing Kits for Drinking Water: Each pack contains 5 individual test bags in a portable flat package , ensuring a longer shelf life for accurate results Easy to Use Home Water Test Kit:Fill with water samples into the test bag ? Soal bag and wait for 48 hours?Compare the test bag to the color chart Drinking Water Test Kit:For accurate testing results, suggest that you do not touch the test area of the pad?Keep temperature no lower than 20 ??Read the results in natural daylight?Store the test strips in a cool, dry place How to Read Results: If no color changed,showed that no harmful bacteric were detected in the water sample; If color changed yellow, showed that it highly likely bacteria are present Wide Usage Water Test Kit:Our Bacteria water test kit help you to test most water source at home, including drinking water, well water, tap water, pool water, spa water, hot tub water