Rust Killer Size:1 Gallon Follow with a clean hot

Follow with a clean hot water high pressure washer with the best suited nozzle for your porous surface

Big Guy 28 inch Whisper Wash Surface Cleaner provides bigger surface coverage to save you time and deliver higher quality on large surfaces

Reapply as needed until there is no foaming on contact

cinder block

do not dilute

Rust Killer Size:1 Gallon Follow with a clean hotDescription: Rust Killer is a high quality heavy duty acid cleaner specially designed for rust removal from concrete, masonry, wood and other hard surfaces. Rust Killer will remove rust stains created by sprinkler systems, railings or other exterior steel structures. It will also remove red clay stains, yellow boat bottom stains, organic stains from berries and trees, and battery rust. Directions: For best results, use Rust Killer at full strength.