Soft Scrub In-Tank Toilet Cleaner Duo-Cubes, Sapphire Waters, 4 Count
In-tank toilet cleaner that cleans and freshens from tank to drain Helps fight toilet ring, hard water, and limescale stains With Anti-Clogging Technology* to help dissolve toilet residue over time * Not a clog remover Safe for toilet components and septic tanks Each cube lasts up to 4 weeks