Keep your toilet bowl fresh and clean between scrubbing with Bowl Fresh Automatic Toilet Bowl Cleaner Tablets. Bowl Fresh Automatic Tablets use the cleaning power of borax to prevent stains due to hard water, mineral substances and limescale. These powerful tablets freshen and deodorize your toilet and bathroom without harming your plumbing or toilet tank. The Bowl Fresh borax-powered formula leaves toilet bowl water with a blue tint after each flush, so you'll know when it's time to replace it with a new tablet. Keep your toilet stain-free and your bathroom smelling oh-so-fresh with Bowl Fresh Automatic Toilet Bowl Cleaner Tablets.