Hach D.O. Replacement Reagent #1, Pkg/100 Waterproof Paper the WF-7 allows critical information

the WF-7 allows critical information to remain legible even in adverse weather conditions

Wire Diameter: 0

Manufactured from tear-resistant synthetic waterproof paper

these meters will stand up to the rigors of clinical or field use

fingerlings and juvenile fish

Hach D.O. Replacement Reagent #1, Pkg/100 Waterproof Paper the WF-7 allows critical informationProduct Code: 981 99 The Hach 981 99 Dissolved Oxygen 1 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 981 99 pillows are