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A mineral material (glauconite) that looks like ordinary filter sand except it is green. It is treated with potassium permanganate and is used to remove iron, manganese, and hydrogen sulfide from groundwater.
Click on the “+” symbols to learn about Iron and Manganese Staining Manganese in the water supply will cause brown or black spots on laundry and plumbing fixtures. The maximum desirable level of manganese is 0.05 mg/L to avoid staining. The threshold at which it creates an undesirable taste in the water is 5 mg/L. Therefore, manganese will […]
If sequestration of iron and manganese is practiced, the chlorine residual in the water system should always be maintained at or above: