13. What water treatment options are NOT effective at removing any arsenic?

  • The following treatments are not effective for removing any arsenic:
    • Boiling water (this will increase the arsenic concentration)
    • Ultraviolet (UV) light
    • Cation exchange (commonly called a water softener)
    • Granular activated carbon (GAC)
    • Aeration
    • Magnetic water conditioners
    • Water filtration pitchers (Brita, etc.)
    • Water filtration from the refrigerator
    • Sediment filter