Mix the detergent with hot to warm water and using a stiff bristled brush or broom generously apply the soapy solution into the stain using a vigorous back and forth motion.
Clean stains off concrete patio.
Mildewcide recipe pour 1 quart of chlorine bleach into 3 quarts of water.
Using the cleaning solution.
Let it sit until the black or green stains turn white but don t let it dry.
If you want to remove stains that have.
Apply with a brush to mildew stains.
For an easy way for cleaning grease off concrete surfaces like your driveway or patio spread baking soda on the stained area and allow it to sit for a few minutes before pouring vinegar over the stain.
How to clean concrete patio method 1 of 3.
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.
Rinse with clean water and repeat as necessary to remove the stain.
Finish by rinsing the area with a hose.
After the vinegar fizzles out work in some laundry detergent using a stiff brush.
Add 1 3 cup of powdered laundry detergent.
Make a baking soda and bleach paste.