Water Quality Replacement Reagents, For 3VXR7 Colorimeter. Reagents can also be used with Hach Instruments, Range 0.02-3, Includes (100) Reagent Powder Packs
Zoro
53.19 LOVIBOND 530550 Iron TPTZ Reagent PP, 10...
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,...