Answer
Mar 06, 2026 - 11:17 AM
R-0871 is a titrating reagent and R-0870 is a DPD (N,N-diethyl-p-phenylenediamine) powder used in the FAS-DPD chlorine test process. These reagents work together to help determine the chlorine level in pool or spa water accurately. Using these specific chemicals ensures precise measurement, which is important for water safety and clarity. They are commonly used as taylor pool test kit refills.
eztestpools.com