How To Remove Algae From Concrete Wall

I m going to give the wall a good scrub next and maybe use a little bleach or detergent solution.

How to remove algae from concrete wall.

Pour white vinegar directly on the surface and scrub it with a scrub brush. Steam cleaning can kill algae and remove it from concrete. Still pretty effective and quite a difference. Rinse the surface algae off the cement or concrete with a water hose.

Allow the machine to warm up and then blast the algae with spurts of hot steam. However i discovered that the power washer was unable to remove the algae for my brick garden walls probably as the brick was more porous than the concrete. On the dark concrete floor you can t necessarily see any stain but on the light concrete wall you see the brown streaks. 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.

Brush the area with a scrubbing brush. Once the surface has been thoroughly steamed scrub the area with a brush and finally rinse the area with clean water. 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. 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.

Step 2 put on rubber gloves. However lightly scrubbing the walls using a dilute solution of water and bleach provides an excellent result with little effort see below. Rinse the cleaner with the hose. Spray the concrete pool wall meticulously to eliminate the algae stain and cleaner.

Load water into your steam cleaner. Use a circular motion and then scrub in rows to rub the stain remover in thoroughly. Scrape up the loosened algae with a long handled scraper and discard it.