Clean Grass Stains Off Concrete
It this doesn t work repeat using oxiclean instead of dish soap.
Clean grass stains off concrete. For large spills apply spill absorbent to the area and let it sit for 24 hours. Scrub smaller areas with a scrub brush. Don t rub the surface it will drive the stain further into the concrete. Scrub the stained area with a stiff scrub brush.
Scrub a mixture of dish soap and water on to the stain and rinse it off using high pressure from a garden hose with a nozzle. Often you can remove a brand new stain with only household cleaner and water. Pour some of the soapy water directly onto the grass stained area of the concrete. I was afraid that all that acid would kill the grass growing against the concrete so i gave it a soaking for about an hour with a little sprinkler to dilute all that acid runoff.
Damp concrete will allow the cleaning agent to permeate better. Begin by sweeping away any loose grass or dirt. Spray them with oven cleaner. Use a garden hose or a pressure washer.
Use the soapy brush to scrub the baking soda into the stain until the stain is gone. Flush the area with clear water to help remove cleaning solution residue and dislodged grass. Wet the scrub brush with warm water and apply a few squirts of the soap to the bristles. Let it sit on the wet stain for about 10 minutes or so then scrub in a circular motion.
Steps to remove the stains. This will help remove any remaining debris from the surface. Let it settle for 5 10 minutes then scrub with a stiff. Get those unsightly grease oil and transmission fluid stains off your concrete driveway or garage floor.
Pour some of the sudsy water on top of the stained area. 8 8 the grass did die a few inches away from the concrete but seems to be coming back two weeks later. Wet the stained concrete with plain water. Use a nylon brush to scrub it away.
Rinse the brush regularly and refresh the cleaning solution as necessary. For larger areas it will be helpful to utilize a sturdy broom. Using a solution of 1 gallon water 1 4 cup washing soda and 1 4 cup borax applied with a nylon bristle brush scrub grass stained area with moderate pressure. Mix 1 4 cup of laundry detergent into a bucket filled with a gallon of water.