Features: * * Made of material, and practical to use * 14 in 1 upgrade: check total alkalinity, pH, hardness, lead, copper, iron, total chlorine, chromium/chromium (VI), bromine, nitrate, nitrite, residual chlorine, fluorine, cyanuric acid * Health: test strips are used for drinking water, faucets, well water, fresh water granules and more water quality tests. Use professional drinking water test strips for health to test water quality standards. * Easy to Use: Drinking dip test water paper to water for 5 seconds, keep it in the air for about 30 seconds, and then adjust the color of the back of the bottle to get the reading. Even for beginners, the drinking test water strips are easy to use. * Environmental protection: the water quality should be tested weekly. The package of our test strips contains 100 drinking water test strips. * Drinking water quality can be found in the test paper in just 35 seconds. Drinking water is essential in our lives! Contaminated water sources can cause many health problems, so it is to test the quality of your drinking water regularly. Specifications: * Color: As pictures show * Quantitative: 50pcs 14-in-1 Drinking Water Test Test Kit following parameters: * Total Alkalinity (0 - 400 PPM) * PH (6.0- 9.0) * Total Hardness (0 - 1,000 PPM) * Low Iron Level Detection (0 - 5 PPM) * Low Copper Level Detection (0 - 2 PPM) * Low Lead Level Detection (0 - 50 PPB) * Low Fluoride Level Detection (0 - 5 PPM) * Cyanuric Acid Low Level Detection * Nitrite (0 - 80 PPM) * Nitrate (0 - 500 PPM) * Chromium (0 - 100 PPM) * Residual Chlorine (0 - 20 PPM) * Bromine (0 - 20 PPM) * Total Chlorine Package Contents: 1 Drinking Test Water Tape Package (50pcs) Note: 1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.