Indigo™ brand tests strips: pH, disinfectant-sanitizers, leak detection, water quality & more. All test strips are Made in USA & Q/A'd against NIST standards. Trust the brand you know.
Buy Indigo™ brand test strips for assured results in chlorine, hydrogen peroxide, pH/litmus, supertasting, water leak detection, nitrates/nitrites, sulfite, Vitamin C, iron and more. We carry more types of test strips than anyone. Buy just one pack or start saving on 2 or more.