TAYLOR R-0870 DPD POWDER 10G TAYR0870L12

The Taylor R-0870 DPD Powder (10-Gram Vial) is a premium, professional-grade chemical reagent engineered for precision pool and spa water sanitizer testing. Acting as the critical first step in the widely trusted FAS-DPD titration method, this fast-dissolving powder reacts instantly with chlorine, changing the water to a distinct pink indicator color to signify the exact presence of active sanitizers.