Best on Rust: #1 Heavy-Duty Rust Stain Remover Brand | Powerful gel clings to dissolve rust stains on contact; no scrubbing necessary | Quickly and easily removes the toughest rust stains from most surfaces in and around the home | Ideal for vertical and hard to reach surfaces, like showers, sinks, tubs and toilets above the water line | Versatile liquid formula, great for bathroom, kitchen, colorfast carpet and fabric, tile, concrete and many other interior and exterior surface applications | Ideal for geographic regions with hard water and high iron | Septic Safe | Made in the USA | Quickly & Easily Removes the Toughest Rust Stains from Most Surfaces In & Around the Home | Ready to Use Multi-Purpose Liquid Comes In An Easy to Use Trigger Spray | Great for Cleaning Bath, Shower, Toilets, Colorfast Fabrics, Vertical Surfaces and Hard to Reach Places | Non Abrasive, Non Hydrofluoric Acid Based Formula is Safer Then Other Liquid Rust Stain Removers