- Best on Rust: #1 Heavy-Duty Rust Stain Remover Brand
- Specifically formulated to repel 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
- 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
