Water Quality Replacement Reagent, For Copper Colorimeter 3VXR1. Reagent can also be used with Hach Instruments, Range 0.05-5, Includes (100) Powder Packs
Zoro
34.15 LOVIBOND 530080 DPD Total CL2 Reagent PP,5...
34.49 LOVIBOND 530090 DPD Free CL2 Reagent PP,...
34.15 LOVIBOND 530120 DPD Total CL2 Reagent PP,10...
30.19 LOVIBOND 530130 DPD Total CL2 Reagent PP,...