Accelerated Hydrogen Peroxide® (AHP®) Indicator Test Strips are easy to 1 use, dip-and-read reagent strips to verify the concentration of hydrogen peroxide, the active ingredient in AHP® disinfectant solutions.The Test Strips were DESIGNED for use with the 4.25% AHP® Surface Disinfectant Concentrate’s diluted to 1:16 1:32, 1:64, and 1:128.