Rust Kutter is a balanced formula that causes rust to chemically change to phosphate. Rust Kutter is not intended for surfaces that will reach over 200 degrees Fahrenheit. Spray or paint on Rust Kutter.
Brush off any loose residue. You can repaint from here or leave area as is. Rust converters are easy to apply and can be used with a brush, roller, or spray, depending on the size and complexity of the surface being treated.