To bring out the stains try applying distilled white vinegar diluted 50 50 with water.
Clean concrete driveway stains.
Sweep the concrete surface then spray the stained area with a garden hose to rinse away dirt.
Spray the entire driveway with water using a garden hose sprayer.
Scrub the stain with a brush.
Hot water can improve the cleaning power of the pressure washer.
The easiest time to clean up a fluid stain on your driveway is right after it happens.
Items like baking soda bleach coke cat litter sawdust hydrogen peroxide and cornstarch are all products that can be made into homemade concrete driveway cleaner.
A fan tip works best on a concrete driveway.
Lawn and plant fertilizers contain metals and minerals that can leave rust like stains on a concrete driveway and may even result in permanent color change if they are allowed to penetrate.
Some cleaners recommend diluting with water before application.
Rub some cat litter into the stain and let it stand for one to two hours before sweeping it up.
They are especially useful when cleaning oil stains off concrete but they also work for gas and antifreeze stains.
Set the power washer on a low setting not exceeding 2 500 psi.
Get rid of grease stains if your driveway or garage floor has become an easy place to do some rorschach testing thanks to the grease oil and transmission fluid stains all over the place take heart clean concrete is easier than you think.
Scrub the stain with a brush or a rag.
In a large plastic bucket mix cup of liquid dish detergent into 3 gallons of hot water.
If the oil gasoline or other fluid is still on the surface of the driveway pour some absorbent material like cat litter or baking soda on the stain and let it sit for a few hours.
A fairly new rust stain may succumb to the mild acid of white vinegar.
Dissolve 2 ounces of washing soda in a gallon of hot water.
After treating stains you re ready to clean the concrete with a driveway pressure washer.
Apply a rust or concrete cleaner.
Removing stains with cat litter.
Rinse and repeat if the concrete.
Clean rust and dirt stains on concrete.