DPD Reagent S (50 sachets) (for measuring free residual chlorine concentration) 7672700 1 pack (50 sachets)

Enough for 50 tests (1 test uses 1 packet of reagent) This is a powdered reagent that combines two chemicals, a buffer and a color developer, into one packet, simplifying the measurement procedure and enabling a quick reaction. How to use: Put 10ml (up to 20ml) of test water into a transparent container (colorimetric cell) and add one packet of reagent. If there is free residual chlorine, which is an indicator of sterilization power, the color will immediately turn pink. We recommend using the "Empatester" to measure the concentration value by comparing it with the color of the color plate. Code number: 7672700