Catalog number: WC-0828 Features: ●Residual chlorine measurement reagent that lets you know the chlorine concentration at a glance. ●If it turns pink, chlorine remains. Uses: ●Used to check residual chlorine in tap water and as a guide for replacing water purifier cartridges. Specifications: ●Measurement range (ppm): 0.1-3 ●Measurement method: DPD method
