Muriatic Acid Oil Stain Concrete

Using acid is dangerous.

Muriatic acid oil stain concrete.

Mold rust and other stains can mar the clean beauty of your concrete lessening the visual impact and even the curb appeal of your property. How to apply muriatic acid. For many years it has been the standard cleaning method to prepare concrete for coatings installations to remove stains of any type from concrete and to remove concrete slurry or efflorescence from bricks. Before you remove stains from your driveway make sure to thoroughly protect yourself.

Safer alternatives include trisodium phosphate which still poses risks but is not as strong as muriatic acid and sandblasting which is a manual rather than chemical process. Mixing ammonia with bleach creates a lethal gas similar to mustard gas. Always wear a carbon activated mask. Muriatic acid is highly corrosive and must be used with caution.

You should see a gray stain. Despite its effectiveness muriatic acid should be used on concrete stains only if you ve tried gentler alternatives to no avail. Scrub the gray stain with a solution of 1 cup liquid chlorine bleach 1 cup powdered laundry detergent and 1 gallon of very hot water. While some stains can be rinsed away with a pressure washer tougher stains such as rust require an acid based cleaner like muriatic acid.

Make sure the detergent you use is ammonia free. How to use muriatic acid to clean concrete.