BLUE MONSTER® Whizz Banger™ Urinal Cleaner & Descaler dissolves uric acid deposits, eliminates uric odors, cleans, and disinfects urinals and toilet bowls in one step! Urine creates uric salt crystals, the most common cause of urinal drain blockage. Blue Monster Whizz Banger's non-fuming formulation breaks down uric acid build-up that restricts urinal drainage flow. It's fast acting and compatible with copper, steel, cast iron, PVC and ABS drain pipes.