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.
Cleaning oil from concrete with muriatic acid.
It cleans concrete by removing the topmost layer of your driveway.
Use it only as a last resort to clean stains.
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.
Mixing ammonia with bleach creates a lethal gas similar to mustard gas.
Make sure the detergent you use is ammonia free.
Before washing your driveway with muriatic acid try a degreaser on oil stains and a solution of one part bleach to three parts water on mold and mildew.
While some stains can be rinsed away with a pressure washer tougher stains such as rust require an acid based cleaner like muriatic acid.