Features:Comprehensive Testing: Our premium drinking water test kit includes 100 strips with 16 tests in 1, allowing you to test for a wide range of contaminants including hardness, pH, lead, iron, copper, chlorine and more, ensuring your water is safe and healthy to drink.Easy to Use: Our water testing strips are incredibly easy to use, simply dip the strip into your water sample and wait for the results. The strips are color-coded, making it easy to interpret the results and understand what contaminants are present in your water.Reliable Results: Our water testing strips are designed to provide accurate and reliable results every time, ensuring that you can trust the information they provide. This makes them an essential tool for anyone who wants to ensure that their water is safe and healthy to drink.High Sensitivity: Our 16 in 1 high sensitivity test strips are designed to provide accurate and reliable results, detecting even trace amounts of contaminants in your water. This makes them perfect for testing well and tap water purity, as well as aquariums and pools.Versatile: Our water testing strips are suitable for testing a wide range of water sources, including tap water, well water, pool water, and aquarium water. This versatility makes them an essential tool for anyone concerned about the quality of their water.Notice:Actual color may be slightly different from the image due to different display and light effect.Please allow 1-3cm deviation due to manual measurement.Specifications:Shelf life: 1 yearMaterial: PETAccuracy: 96%Test elements: Total alkalinity, pH, total hardness, cyanuric acid, total chlorine, residual chlorine, residual bromine, nitrate, nitrite, iron, chromium, lead, copper, mercury, fluorine, carbonateScope of application: Used for drinking water, household faucets, water purification, swimming pools, and more.Test time: 30sTesting method:1. Immerse the reaction area of the test strip into the solution to be tested for 1-2 seconds, remove the test strip, and drain excess water from above.After 2.30 seconds, compare the color of the reaction area of the test strip with the color chart to determine the test value of the solution to be tested.3. The color comparison time should be controlled between 30 seconds and 60 seconds. If it is too long or too short, it will affect the reading value.Water quality sampling requirements:1. Take 5-10ml of sample water, let it stand still, and then take the supernatant for testing2. The test is conducted at a room temperature of around 25 degrees Celsius.Storage conditions and validity period:1. Storage conditions: Store in a dry place at 2 to 30 away from light (stored at 2 to 8 ).2. Product validity period: Store in a dry place at 2 ~30 away from light, and the validity period is 24 months.3. Bottle opening validity period: After opening, the cylinder cover needs to be sealed and stored in a dry place at 2 ~30 away from light. The validity period is 12 months.1 Bottle * Test Strips (100pcs inside)