Black Algae On Concrete Driveway

Mix a solution of chlorine bleach detergent and water.

Black algae on concrete driveway.

Algae is present in soil and it sends its spores through the air which the wind is notorious for picking up and depositing onto your roof deck driveway and other places around your home. 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. Both of these methods can also increase wear and tear on your concrete and make your driveway seal not last as long. Also it can be tough to remove as it will stubbornly cling to outdoor surfaces.

Prepare a strong detergent solution. Black algae will also make your sidewalk look as though it s been rubbed with soot see photo above. Put on a pair of rubber gloves to protect your skin. Second the black stains on your retaining wall and concrete are most likely caused by the same mold or algae.

If this is not the case pressure washing is often quite effective in removing mold and algae from pavers bricks or concrete. If you ve tried bleach or a pressure washer to clean up concrete stains you know the hassle involved. Black algae is a type of fungus that thrives in moist areas in both the sun and shade. Black algae can turn any area it touches into a grimy soot colored mess.

Black algae gloeocaspa magma appears on your driveway as dark grey or black streaks and smears. Algae can grow on multiple surfaces including your porch patio awning siding fence sidewalk and even on your outdoor furniture. Mix one cup of bleach. Scrub and loosen the black algae on the affected concrete using the push broom with short strokes and heavy.

If left untreated it will grow and the situation will get worse. Hose off as much black mold as you can. Choose from roof ox siding ox or wood ox. Place a hose on its most powerful setting to clean off the concrete.

Scrape off any remaining black mold with a spatula. Home improvement expert danny lipford recommends the following formula. Cleaner today ox products can be used on siding wood concrete patios and retaining walls. To remove it fill a bucket with 2 gallons of water and 1 cup of bleach.

How to kill black mold on concrete step 1. On mar 14 2019. How to get black algae off a concrete driveway step 1.