Product ReviewsPh Test Strips Analytical Indicator Detect Peroxide up 100 PPM (vial of Strips)

Works, at a good price...

They appear to work fine. I tested them by using one in our well water untreated, and it tested 0 ppm. I then used one in a bucket of the same water with a splash of H2O2, and it gave a color reading. I had been putting H2O2 in our soaking tub, so didn't want to rely just on treated water as the yardstick. The price is right, too. No complaints.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: stepheros72