Dirty water bottles? Not on my watch. I'm a natural cleaning tablet that's gentle yet powerful. Just drop me in water and watch me work my magic. I help eliminate stains, residue, and unpleasant odors, giving you a pristine drinking experience every time. Features: Fill your bottle with hot water and add one EcoBrite tablet Wait 5-10 minutes. For a deeper clean, let soak overnight Empty and rinse well Contains 10 tablets Natural and safe Biodegradable Chlorine-Free Phosphate-Free