Reckitt Benckiser 02212CT High Acid Bowl Cleanser, 12 32 oz Bottles/Carton Reckitt Benckiser 02212CT High Acid Bowl Cleanser, 32oz, 12/Carton This powerful, liquid toilet bowl cleaner and deodorizer dissolves even the toughest stains, including built-up lime deposits, hard water scale and rust stains without harming septic tanks. The 23 % hydrochloric acid formula is packaged in an angle-neck bottle for easier application. Use in toilets and urinals.