Removing Black Algae From Pool Walls

Brush daily for a week with the proper brush for your pool paying special attention to algae affected areas.

Removing black algae from pool walls.

Black algae can get into your pool several ways but one of the most common is from swimming suits that have been in the ocean. The first time you cleaned the filter was to get any live bacteria out of the filter. Brush all the surfaces inside your pool. Black algae generally penetrate porous pool surfaces like concrete and gunite.

Black algae are generally not an issue with smooth surfaced pools like fiberglass and vinyl. It appears as dark black spots on the walls and floor of the pool and is slippery to the touch. The protective layer that forms on black algae makes the algae otherwise impervious to regular sanitizers so you must brush the algae to break through this layer so that chlorine and algaecides can kill the organism. Once these surfaces are infested with black algae it will take time and persistence to eliminate it.

Black algae is a thread like growth that develops on rough surfaces in swimming pools. Those pesky little spores stick to the cloth and hop off in the pool the first chance they get so be sure to use bleach to clean them. Yellow and black algae will require a heavy brushing of pool walls and floor while green algae may only need a light brushing. This type of algae forms in a layered structure with the outermost layer protecting the lower layers.

Black algae have deep roots that work their way into.