Hydrogen Peroxide (0-750 PPM) 100strips/vial
The Hydrogen Peroxide HP-750 test kits are calibrated to measure the concentration of hydrogen peroxide in solution between 0 and 750 ppm with match points at 100-250-500-750 ppm.
To use, place your strip in the test solution for 1 second. Then you will remove strip and shake off any excess solutuion. Match to your color chart at 90 seconds.