Ty-D-Bol Ultra in-tank liquid automatically cleans and deodorizes your toilet with a signature blue ‘Clean You Can See!’ with every flush! Specially formulated with Borax, the new Ty-D-Bol Ultra will give you the ‘borax boost’ you need for a cleaner toilet. Place the bottle in your toilet tank to provide a constant flow of powerful detergents that will automatically keep your toilet bowl clean between scrubbings. Our Ultra Liquid formula provides 2X the cleaning and works to fight and prevent hard water stains and make sure your toilet keeps a tidy bowl without harming your plumbing or toilet tank. Keep your toilet stain-free and your bathroom smelling oh-so-fresh with Ty-D-Bol Ultra Borax Booster Liquid Cleaner!