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.
Black algae in pool photos.
If the algae problem is extensive use a filter cleaner rather than just plain water.
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.
This type of algae forms in a layered structure with the outermost layer protecting the lower layers.
Technically a cyanobacteria not algae at all this nasty offender makes its own food so it grows and grows.
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.
Now you know you ve definitely got it let s kill it.
Remember to brush and vacuum your pool because this will reduce the dirt.
None are true algae but classes of bacteria that manufacture their own food by photosynthesis.
Not only that its roots dig into concrete surfaces making it tough to kill black algae in your pool.
Swimming pool black algae prevention.
Having your swimming pool chlorine alkalinity and hardness adjusted correctly is very important.
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.
It s related to spirulina another type of blue green algae and to red algae which also grows in swimming pools.
Maintain proper pool chemistry levels.
The majority of swimming pools are exposed to several hours of sunlight per day and it s sunlight that will speed up algae growth.
It appears as dark black spots on the walls and floor of the pool and is slippery to the touch.
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.
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.
Like yellow algae black algae can bloom even in the presence of normal sanitizing levels and proper filtration.
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.
Removing black algae from your pool.
If you have black algae in your pool you have black algae in your filter.
Black algae have deep roots that work their way into.
It ll grow back quickly if your treatment isn t aggressive enough to ensure none of the roots hang around.
Brush daily for a week with the proper brush for your pool paying special attention to algae affected areas.
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.
Black algae is a thread like growth that develops on rough surfaces in swimming pools.
