• 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 do the work for you
• Use Iron powder or liquid spray rust stain remover to clean the bowl before inserting tablet in tank
• Ideal for geographic regions with hard water and high iron