How To Remove Green Algae From Concrete

Rinse the surface alga off the concrete with a water hose.

How to remove green algae from concrete.

Step 1 rinse the surface algae off the cement or concrete with a water hose. Fill your steamer with water and allow it to warm up so that steam is produced. After steaming scrub the area with a deck brush and finalize with a rinse of clean water. Vinegar can also be used to rid of algae.

Use a pressure washer if you have a small amount of mold or algae you may find that the first two steps of drying out and sweeping the area is enough to remove it. Move the machine over the area as it blast steam on the green algae. Removal by force a pressure washer directs a powerful stream of water that will easily loosen the adhesive from the concrete and can cover a large area very quickly. You could use vinegar straight or mixed with water.

Be sure to wear eye protection around bleach. Go over the surface several times until most of the algae is lifted and only the sub surface stains remain. Wet and forget is as simple as spraying your outdoor surface and forgetting it. Next pour white vinegar directly on the surface and scrub using a brush.

Use a mixture of water and white vinegar to spray down the area and kill the algae. If this is not the case pressure washing is often quite effective in removing mold and algae from pavers bricks or concrete. And you might have to scrub the moss and algae with a brush. The combination of the wind and the rain breakdown the growth and rinse your surfaces clean over time.

Step 2 put on rubber gloves. Easily remove algae off concrete with wet forget. Normal pressure washers that can be purchased borrowed or rented for residential use will often be in the range of 1500 to 3000 psi which is more than enough for the job. You could also try bleach and water in a ratio of 2 parts bleach and 1 part water or any ratio.

Step 1 scrub the concrete with a wire brush or a stiff bristled shop broom to loosen the algae and remove any large cohesive pieces.