PREVENT ODORS NOW, and you won’t have to deal with them later. The ECO2 PURE OXYGEN SOLUTION will effectively raise D.O. levels in your force main to prevent anaerobic conditions and formation of odors and corrosive H2S gas. The ECO2 Pure Oxygen Solution can be applied in force mains or upstream of headworks and primary clarifiers to avoid odor and corrosion problems in these otherwise hard to control locations, while you take care of plant performance.