Magnetic Water Softener - No Salt Water Softener - Magnet Water Treatment Compare-The Heaviest, Most Magnets (6), Most Powerful Unit Available Under $125. Reduces minerals, calcium, lime scale in water causing hard water spots. High grade Six Rare Earth Neodymium Grade N52 magnets The very latest hydro-magnetic technology for water treatment. No salt no electricity needed. Installs in 2 minutes with no tools required. Anyone can install. No plumber needed.