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  2. China Green Manganese Sand

China Green Manganese Sand

China Green Manganese Sand

50 ugL to somewhere between 2 and 20 ugL. Two recent studies have indicated that manganese greensand could be very effective in removing arsenic. Manganese greensand is a mineral called glauconite that is coated with a manganese oxide coating and used to remove iron and manganese hardness from drinking water.

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