The Vario PD250 Total Chlorine Refill Vial can be used with Vario PD250 dispensers and Hach Swiftest dispensers. One click gives the exact amount of DPD chlorine reagent required for a 10 ml sample. The reagent is supplied in a sealed glass vial with sufficient powder for 250 tests. The protective sealing enables a shelf life of up to 5 years although, once the vial has been opened, the contents should be used within 6 months. The vials can be changed quickly and easily.
VARIO Powder Reagents have been independently tested and have been determined to be compatible with Hach instruments.
Hach is a registered trademark of Hach Company, Loveland, Colorado. The use of the HACH trademark does not imply any affiliation with or approval by Hach Company regarding the formulation, testing or compatibility of Vario products for use in HACH brand spectrophotometers or other devices or systems.