Black Algae In Vinyl Swimming Pools
This type of algae forms in a layered structure with the outermost layer protecting the lower layers.
Black algae in vinyl swimming pools. A few other ways to recognize black algae in your pool. Add 1 5 quarts of suncoast metal control per 10 000 gallons. Brush all the black spots with a wire algae brush use a nylon brush for vinyl fiberglass or painted pools. It s related to spirulina another type of blue green algae and to red algae which also grows in swimming pools.
Black algae is a thread like growth that develops on rough surfaces in swimming pools. 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. Also black algae seldom forms in pools with fiberglass or vinyl liners. This is for a concrete pool gunite swimming pool and not vinyl swimming pools as this may tear your vinyl liner.
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. It s an example of a cyanobacterium. 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. Of calcium hypochlorite granular chlorine in an old sock to put on a spot.
Alga spores may always be present in your pool but problems arise when the right conditions are present and the algae are able to bloom. Black algae in a vinyl pool is possible but not very likely. Black algae have a tough outer shell and roots that are resistant to chlorine. The way to rid your pool of black algae is holding your fc at shock level and frequent brushing.
It appears as dark black spots on the walls and floor of the pool and is slippery to the touch. You can also use about 1 2 lb. Of all the alga types and species on the planet black algae can be the most difficult to treat and most resilient to remove from a swimming pool. 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 swimming pool black algae has layers so you want to get as many layers off as possible before adding the chlorine. Black algae is the common name or term given to the dark blue green algae found growing on pool surfaces. Black algae is mostly for concrete and plaster pools. Don t leave the chlorine on the spot for too long as it may bleach the liner.
In can happen in vinyl pools but it s rare. Mix suncoast super black algaecide into a bucket of water and pour away from the sides of the pool.