Hach D.O. Replacement Reagent #3, Pkg/100

Product Code: 987-99
The Hach 987-99 Dissolved Oxygen 3 Reagent Powder Pillows are reagent packets used for determining dissolved oxygen (DO) in water samples using the Winkler titration method. Each pre-measured powder pillow contains the appropriate quantity of reagent for a 60 mL water sample, helping provide consistent reagent dosing and reducing preparation time in the laboratory or field. Supplied in a package of 100.
The 987-99 pillows are compatible with Hach dissolved oxygen test systems such as the OX-2P Dissolved Oxygen Test Kit, and are also used with other Hach water-quality test kits.
- Genuine Hach dissolved oxygen reagent
- Dissolved Oxygen 3 reagent
- Pre-measured powder pillows
- Designed for 60 mL water samples
- 100 pillows per package
- Reduces reagent preparation and measuring
- Convenient for field and laboratory testing
- Designed for Winkler dissolved oxygen analysis
- Suitable for freshwater and environmental water testing