KRSABCCT In-tank cleaner cleans and deodorizes. Prevents scale and mildew buildup. Colors water blue with each flush. Has 22% surfactant formulation. Nonpolluting, nontoxic, nonstaining. Lasts up to 30 days. Cleaner/Detergent Type: Bathroom; Global Product Type: Cleaners & Detergents; Application: Bowls; Applicable Material: Ceramic; Fiberglass; Porcelain. 002900528523