Cleaning Oil From Concrete With Muriatic Acid
Use it only as a last resort to clean stains.
Cleaning oil from concrete with muriatic acid. 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. Mixing ammonia with bleach creates a lethal gas similar to mustard gas. Despite its effectiveness muriatic acid should be used on concrete stains only if you ve tried gentler alternatives to no avail.
Muriatic acid is diluted hydrochloric acid and is a very potent chemical. 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. It cleans concrete by removing the topmost layer of your driveway. The acid works well on concrete and on many masonry projects because it neutralizes alkalinity.