The majority of swimming pools are exposed to several hours of sunlight per day and it s sunlight that will speed up algae growth.
Black algae in pool photos.
Removing black algae from your pool.
If you spot any black spots big or small that are attached to the plaster in your pool resembling a mould like texture you ve got a black algae problem.
It s an example of a cyanobacterium.
Like yellow algae black algae can bloom even in the presence of normal sanitizing levels and proper filtration.
Technically a cyanobacteria not algae at all this nasty offender makes its own food so it grows and grows.
It appears as dark black spots on the walls and floor of the pool and is slippery to the touch.
Now you know you ve definitely got it let s kill it.
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.
Black algae is a thread like growth that develops on rough surfaces in swimming pools.
Not only that its roots dig into concrete surfaces making it tough to kill black algae in your 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.
Swimming pool black algae prevention.
In a swimming pool or spa algae are those green brown yellow black or pinkish slime that resemble fur growing on the steps and in corners places where circulation may not be optimum.
Having your swimming pool chlorine alkalinity and hardness adjusted correctly is very important.
This type of algae forms in a layered structure with the outermost layer protecting the lower layers.
This form of algae commonly enters a pool inside the swimsuit of a person who s recently been to the ocean or from contaminated pool cleaning equipment introduced by a traveling pool guy.
It ll grow back quickly if your treatment isn t aggressive enough to ensure none of the roots hang around.
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.
None are true algae but classes of bacteria that manufacture their own food by photosynthesis.
If the algae problem is extensive use a filter cleaner rather than just plain water.
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.
Properly balancing all of your pool s chemicals and normal swimming pool care will greatly reduce the chances of black algae but may not eliminate the opportunity to get it.
It s related to spirulina another type of blue green algae and to red algae which also grows in swimming pools.
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.
Be splash happy and black algae free in 5 simple steps.
Brush daily for a week with the proper brush for your pool paying special attention to algae affected areas.
Black algae have deep roots that work their way into.
