SCALESWEEPER protects your appliances and plumbing by eliminating limescale residue caused by hard water without using any chemicals or salt. Scalesweeper treated water helps dissolve pre-existing scale throughout your home's plumbing system and appliances. The unit will dramatically reduce corrosive green and white limescale residue on sinks, chrome faucets, toilet bowls, bathtubs, showerheads, glass, tile and windows. No dishwasher scale residue on glasses, plates and cutlery...everything sparkles! When scale accumulates, it clogs and corrodes pipes, fixtures and critical components of your appliances. The washing machine, dishwasher, water heater, water dispensers and humidifiers all work more efficiently and require fewer repairs. SCALESWEEPER offers ultimate protection against scale buildup and scale corrosion inside all the pipes in your home. Scalesweeper protects against scale buildup and scale corrosion 24/7 and works on galvanized, copper or PEX plastic piping. Indoor DIY installation takes only 15 minutes, no pipe to cut or plumber required.