In these products the muriatic acid is mixed with a stain color.
Removing rust stains from concrete with muriatic acid.
To use the chemical to remove rust stains dilute it and take the proper precautions so it doesn t damage your surface or sting your eyes or lungs or irritate your skin.
The muriatic acid etches the concrete allowing the color to seep into the concrete.
It is also the primary component in most concrete staining products.
While some stains can be rinsed away with a pressure washer tougher stains such as rust require an acid based cleaner like muriatic acid.
Muriatic acid is commonly recommended to clean and remove rust stains from concrete.