Goof Off 1 gal. Rust and Stain Remover-GSX00101 - The Home ...
No rubbing or scrubbing is needed. Stains simply dissolve away! It can also be used to remove lime scale and calcium deposits. The Goof Off Outdoor Rust and Iron Stain Remover dissolve rust stains on contact. Spray on and stains disappear. Use it on rust-stained concrete and tools also works on calcium and lime stains.