Scalewatcher 4 Original Electronic Descaler | USA Made & Patented Hard Water Softener/Conditioner Alternative | 700mA Chemical and Salt-Free Electric Limescale Preventer and Remover PATENTED ORIGINAL: Keep lime build-up at bay with the original electronic descaler. Dont settle for imitations that fail to work half the time. Scalewatcher has been patented since 1991 and is the go-to electronic limescale remover for homes, businesses, factories, and water parks worldwide. MORE POWER; BETTER LIMESCALE CONTROL: The Scalewatcher 4 Star electronic water descaler is our most powerful non-commercial unit. Packing 700mA of power, it prevents limescale build-up and removes existing deposits faster while still leaving beneficial minerals like calcium intact. SALT-FREE; LOW MAINTENANCE: Unlike salt-based water conditioners that are pricey to maintain, our salt-free electric water softener gets the job done at a very minimal cost. This means improved water heater efficiency and water thats kinder to hair and skin without the high expense. SIMPLE TO INSTALL: No plumbing changes involved. No electrician required. The electric hard water treatment system starts working immediately after the hassle-free installation and works on all diameters of both plastic and metal pipes. All the mounting hardware comes included.