Chemical compound for use in removing foreign matter from water softeners

All purpose rust and stain remover for use in water systems, such as toilets, pipes, pumps, and water conditioners; all purpose chemical cleaner for removing lime, rust, soap and hard water stains; drain cleaning solvent and cleaner; drain openers and sewer cleaning preparations; all purpose rust and iron stain remover for whitening, brightening and removing stains from clothing, removing stains from tubs, sinks, chrome, ceramic tile, showers, and like items, removing stains from dishes, glassware, plastic ware, and like items, removing stains from brick, stone, concrete and other exterior surfaces and removing stains from dishwashers and washing machines; general purpose cleaning preparations for preventing and removing mineral deposits; all-purpose rust and stain remover for use in toilet bowls, flush tanks, sinks and bowls, dishwashers and washing machines, and for whitening clothing, dishes and glassware, brick, stone, or concrete exterior surfaces, tubs, chrome, ceramic tile, shower stalls and the like; and cleaning preparations for removing hard water stains, rust stains and iron stains from clothing