Steps to remove the stains.
Clean grass stains off concrete.
Scrub the stained area with a stiff scrub brush.
Begin by sweeping away any loose grass or dirt.
Scrub smaller areas with a scrub brush.
It this doesn t work repeat using oxiclean instead of dish soap.
Light stains sweep any loose grass dirt or debris from the concrete surface.
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.
Flush the area with clear water to help remove cleaning solution residue and dislodged grass.
This will help remove any remaining debris from the surface.
Mix 1 4 cup of laundry detergent into a bucket filled with a gallon of water.
Wet the scrub brush with warm water and apply a few squirts of the soap to the bristles.
Pour some of the sudsy water on top of the stained area.
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.
8 8 the grass did die a few inches away from the concrete but seems to be coming back two weeks later.
Don t rub the surface it will drive the stain further into the concrete.
Use the soapy brush to scrub the baking soda into the stain until the stain is gone.
Spray them with oven cleaner.
Use a nylon brush to scrub it away.
For larger areas it will be helpful to utilize a sturdy broom.
Pour some of the soapy water directly onto the grass stained area of the concrete.
Damp concrete will allow the cleaning agent to permeate better.
Get those unsightly grease oil and transmission fluid stains off your concrete driveway or garage floor.
For large spills apply spill absorbent to the area and let it sit for 24 hours.
Wet the stained concrete with plain water.
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.
Let it settle for 5 10 minutes then scrub with a stiff.
Rinse the brush regularly and refresh the cleaning solution as necessary.
Combine the washing soda or detergent with water in the bucket.
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.