With the WaterWorks Peroxide water quality test strip, a broad range of concentrations can be measured with a single test method. Accurate results from 0.50 to 100 ppm (mg/L) are obtained in under one minute, making the new WaterWorks Peroxide test strip ideal for a wide range of industries. Strips are packaged in either bottles or foil packs labeled with a detailed color chart.This patented water quality test promises to be a very attractive alternative to wet chemical peroxide tests for several reasons. A mechanical reader is NOT required. The WaterWorks Peroxide water quality test strip utilizes 0.50 ppm (mg/L) sensitivity while achieving accurate results in less than one minute. But best of all, this product is safe and easy to use since there are no chemicals to mix, an MSDS is not required, and the indicator is non-carcinogenic.Sensitivity: 0.05, 2.0, 5.0, 10, 25, 50, 100 ppm (mg/L)