Rust Killer Size:1 Gallon It is very effective in

It is very effective in cold or hot water

MJET will inject and proportion soaps

Its blend of citrus terpenes will dissolve tar

Cleans 19 inches at once

Rust Killer Size:1 Gallon It is very effective inDescription: 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.