Boardwalk In Tank Automatic Bowl Cleaner - 12 per box -- 1 box per case

In-tank cleaner cleans and deodorizes. Prevents scale and mildew buildup. Colors water blue with each flush. Has 22 percent surfactant formulation. Lasts up to 30 days. Application: Bowl Cleaner; Applicable Material: Ceramics; Enamel; Fiberglass; Metal; Plastic; Vinyl; Dirt Types: Mildew; Mineral Scale, Organic Matter; Soil; Scent: Unscented.