Kill bacteria and keep your bowl sanitary, stain-free and deodorized with toilet bleach. 2000 Flushes bleach kills 99.9% of bacteria! With a new, concentrated formula, 2000 Flushes bleach delivers continuous cleaning action for up to 4 months, 2000 Flushes toilet bleach uses powerful chlorine to bleach away stains to keep your toilet bowl continuously sanitary, stain-free and deodorized. Freshen your bowl and keep the water crystal clear with every flush.