Iron, and to a lesser extent manganese, frequently occur in the rock and soil of the earth’s crust. Shallow and deep aquifers often contain appreciable amounts of iron. The familiar reddish brown iron stains on sinks and toilets and the similar stains on freshly laundered clothes are caused by iron. Manganese causes similar stains but they are generally black or dark gray.
Iron (and manganese) occurs in many forms. In order to facilitate iron removal, it’s important to know what type of iron you have in your water supply. Read more…