Hydrion CH-1000 Chlorine 0-1000ppm High-Range Sanitizer / Disinfectant Test Strips - 100 Count Vial

Eliminate the need for expensive lab equipment with these Hydrion chlorine 0-1000ppm high-range sanitizer / disinfectant test strips. Thanks to this easy-to-use kit, there is no need for technically trained personnel to test chlorine solutions. Simply remove a test strip from the vial, dip the color-indicating end into a room-temperature chlorine solution for one second, then instantly compare the resulting color with the color chart. The color that most closely matches signifies the free chlorine concentration in your sanitizing or disinfecting solution. Use this kit to retest your chlorine solution every two hours to determine your desired concentration....