Water has many minerals floating within it, including iron. Removal of this iron in a chemical-free fashion requires aeration of the water and a specific filter to allow entrapment of the iron. Does this Spark an idea?
Function
Aeration involves infusing the water with air to allow the iron to oxidize into small, solid forms, essentially creating visible rust particles for collection. Those forms are then filtered through a media to trap the pieces, thereby cleaning the water without chemicals.
Types
Different filters are available for proper iron filtering, including chemical free iron filters, greensand filters, ozone filters and chlorination-filtration filters. These filters are specifically designed to have the durability to withstand the weight of the accumulated iron and powerful washing sequences to clear out the filter area.
Considerations
Water softening can be added to an aeration filter system for iron, but water softeners do employ chemicals to filter the water. Aeration systems can properly filter iron from water without the need for a water softener.
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