- Best on rust: #1 heavy-duty rust stain remover brand
- Repels rust and hard water with every flush of your toilet
- Convenient rust stain solution, long-lasting formula prevents rust stains from forming in toilet bowl for up to 45 days
- Tested safe for use with all toilets, internal toilet components, plumbing and septic systems
- Simply drop tablet in toilet tank and let Iron Out do the work for you
