Clorox® Automatic Toilet Bowl Cleaner, Bleach & Blue, continuously cleans to leave your bowl sanitary and smelling fresh with a Rain Clean® scent. The tablet cleans and deodorizes. Drop the tablet in your toilet tank to automatically keep your toilet clean and fresh in between cleanings. Each tablet delivers long lasting clean for up to 4 months. The sparkling blue water lets you know that the concentrated bleach formula is at work day and night. When the water is no longer blue, you know it is time for another tablet. Ideal for use in commercial facilities. Keep your toilet Clorox® clean with Clorox® Automatic Toilet Bowl Cleaner, Bleach & Blue.