1 Cuộn Giấy Thử Clo Nhiều Màu 10-2000mg /

Features: 15 Seconds Quick Test Dip in water and take out immediately, then read test strip in 15 seconds. Color Chart on Bottle Ests in a range of 10-2000mg/L , (10，25，50，100，200，300，500，1000，2000mg/L ppm markings) Rapid quantitative detection of chlorine-containing water such as medical water, pool water and household cleaning water Description: This Free Chlorine Test Paper provides a simple, reliable, and economical means to measure the concentration of free available chlorine in water after using sanitizing solutions.The Chlorine Test Paper measures total available chlorine from 10-2000ppm, and give results in just seconds. Analyzes Chemical Factors: Free Chlorine Package Included: 1Roll x Free Chlorine Test Paper Strips Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.