The complete kit, and replacement reagents ship to Canadian addresses only. Replacement equipment, bottles and cases can ship outside of Canada.

The Hach D.O. test kit uses the modified Winkler method with drop count titration. 60 ml sample. Range tested is 0-20 ppm by 1 ppm. 100 tests per kit. Pre-measured reagent packages. Supplied in hard-shelled carying case.