Mixing ammonia with bleach creates a lethal gas similar to mustard gas.
How to get oil stains off concrete drive.
The four best ways to remove oil stains from concrete are.
To remove oil from driveway or the garage either make a paste from laundry detergent i prefer using tide and water before applying it to the stain or lay down laundry detergent over the entire oil stain and use a small amount of water afterwards to make a paste.
Use the soapy brush to scrub the baking soda into the stain until the stain is gone.
For addressing stains on your concrete driveway or for cleaning concrete floors in the house soak the stain with water first.
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.
To remove pour one eighth of a cup of liquid dishwashing detergent into a spray bottle then top off the bottle with warm water and shake well.
If you have bigger stains use a degreaser you can buy from the hardware store with a steel brush to lift oil off your concrete.
Leave the litter alone for at least an hour before sweeping or vacuuming it away.
Wet the scrub brush with warm water and apply a few squirts of the soap to the bristles.
Scrub the area and let stand for 15 minutes.
Spray the concrete stains with the soap solution.
Mix a solution of the degreaser according to the manufacturer s instructions and pour it directly onto the stain.
Meanwhile boil a large pot of water.
To start getting oil up out of your concrete with cat litter simply pour some of it over the stain and work it into the area by stepping on it or mashing it down another way.
To make an easy cement floor cleaner apply a thick coating of the baking soda to the stained area of the concrete floor and let sit for approximately 30 minutes.
Allow it to sit for 30 minutes.
Make sure the detergent you use is ammonia free.
If some oil still remains you can repeat the process as many times as needed.
Either method of application is acceptable.
Wash away the oil with a strong detergent and a scrub brush or sponge use a concrete cleaner or degreaserto loosen and remove the oil apply a poultice that will break down the oil and suck it from the concrete.
While the area is still wet scrape off any suds and standing water with a towel or dustpan.