Clorox Automatic Toilet Bowl Cleaner Tablets with Bleach. 6 Count. 3.5 oz. Clorox Ultra Clean Toilet Tablets. This toilet bowl cleaning tablet, effectively cleans and prevents stains with each flush, eliminating the need to scrub every time. Each tablet delivers a long-lasting bleach clean and is good for up to 3 months. Simply drop a tablet into your toilet tank to continuously sanitize, deodorize and clean your toilet every time you flush. The dissolvable cleaning tablets help prevent tough stains and removes hard water, mineral deposits and lime scale stains. Keep your toilet bowl sparkling fresh and ultra clean with no mess and no fuss with the help of Clorox Ultra Clean Toilet Tablets.