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In-Tank Automatic Bowl Cleaner. 12/Box
In-tank cleaner cleans and deodorizes. Prevents scale and mildew buildup. Colors water blue with each flush. Has 22% 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.