Well water often contains Iron, which may stain plumbing fixtures, bath tubs, shower walls and doors. Iron can also stain sidewalks, driveways and add a metallic taste to your water. Manganese may also be a problem, leaving black spots on plumbing fixtures. Iron Zapper systems remove Iron, Manganese and small amounts of Hydrogen Sulfide without using chemicals in most installations. This installation has a Viqua UV light to remove E.coli and coliform bacteria When iron bacteria is present which looks like disolved orange particles, chlorine assistance may be needed to guarantee the removal of the iron bacteria.