|Taylor DPD Reagent #3 remove|
DPD is the common abbreviation for N,N-diethyl-p-phenylenediamine. Taylor DPD Reagent #3 is the third reagent in a series of three used to determine both total chlorine and free chlorine levels. It can also detect total bromine level. Preferable method for testing pool and spa water; usually mandated for use at public facilities by health authorities. Turns the sample water pink.