Calci-Buster removes scale and clogs from toilets, urinals, drinking fountains, air conditioning equipment, water drain lines, boilers, hot water heaters, tankless water heaters, heat exchangers, cooling towers, condensers, refrigerator drains and dishwashing machines easily and effectively. These type of clogs and build up are a leading cause of foul odors in drain lines. Calci-Buster has the ability to quickly dissolve calcium, magnesium, sodium, lime, rust and other such elements without harming pipes. Calci-Buster includes a special inhibitor that protects the inside walls of metal piping from corrosion.