Scalesweeper 25 grain Electric Water De-ScalerSCALESWEEPER protects your appliances and plumbing by eliminating lime scale residue caused by hard water without the use chemicals or salt. SCALESWEEPER treated water helps dissolve pre existing scale throughout your homes plumbing system and appliances. The unit will dramatically reduce corrosive green and white lime scale residue on sinks, chrome faucets, toilet bowls, bathtubs, showerheads, glass, tile and windows. No dishwasher scale residue on