Left unchecked, the orange menace can destroy your car, ruin your tools ... and might warp the metal. Unlike most acid-based rust removers, POR-15—short for Paint Over Rust—not only melts ...

It is difficult to get into the crannies of your car's sheet metal ... bar on the car's paint after it's been washed and dried to pull out contaminants before trying to remove scratches.

Brick, limestone, concrete, graffiti removal ... It cuts through paint, primer, and vinyl. The water reduces friction and cools the metal. This protects the car from overheating and warping.

So if there's aluminum, magnesium, or a pot metal on the car ... chemical dipping is the most thorough way to remove all paint and rust from a car body. It gets to places that physical medias ...