What Causes Black Algae In Pools

Drain the pool acid wash the surface neutralize and pump out waste water.

What causes black algae in pools.

Black algae will appear as dark black or blue green spots usually the size of a pencil eraser tip up to the size of a quarter. It appears as dark black spots on the walls and floor of the pool and is slippery to the touch. Black algae grows in localized areas such as along one wall in the deep end in a corner or around obstacles such as steps indicates an area of poor circulation and poor sanitization. Remember black algae have deep roots that can penetrate the walls of your swimming pool.

If there s only a small amount of black algae in the pool you can probably get away with backwashing your pool filter for sand or de filters or rinsing the filter cartridge. Black algae leeches onto your pool liner anchoring it. This makes it difficult to get rid of and if there is extensive damage to your pool liner opt to get a replacement before next season. After an encounter with algae particularly black algae you might want to replace parts in your pool.

It s an example of a cyanobacterium. Brush daily for a week with the proper brush for your pool paying special attention to algae affected areas. And it s hard to get rid of because its roots grow into cracks in the cement and don t like to let go. Black algae have deep roots that work their way into.

Chlorine wash the surface. Black algae is a thread like growth that develops on rough surfaces in swimming pools. Focus on the spot where the algae first appeared and work outwards from there. Vacuum up debris and once the problem is under control replace the filter media because black algae likes to harbor inside of filter sand and cartridge material.

Following a black algae hit scrub it down four times throughout the following day. If you have black algae in your pool you have black algae in your filter. Responsible pool owners brush their pools on a regular basis. But the normal treatment for black algae.

This type of algae forms in a layered structure with the outermost layer protecting the lower layers. Black algae are living growing organisms that unless taken care of quickly can overtake your pool and cause severe structural damage. This algae may appear black in the pool but when you retrieve a sample and rub it on a piece of white paper you ll notice a greenish tinge. None are true algae but classes of bacteria that manufacture their own food by photosynthesis.

Black algae is the common name or term given to the dark blue green algae found growing on pool surfaces. If the algae problem is extensive use a filter cleaner rather than just plain water. Their roots extend into the pool plaster or tile grout and unless the roots are destroyed a new head will grow back in the same place.