Alkaline Iodide-Azide Reagent, Solution For Dissolved Oxygen Bottle/500 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Ammonia Ionic Strength Adjustor Buffer Solution for use when making ammonia determinations by electrode methods. Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.