If the algae problem is extensive use a filter cleaner rather than just plain water.
Black algae in saltwater pool.
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 keeps your pool algae free without foaming and contains a clarifier to keep your water sparkling.
If you have black algae in your pool you have black algae in your filter.
You will notice it in the form of black stains or spots on the solid parts of your pool such as the floor or the walls.
Maintain proper pool chemistry levels.
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.
It is recommended that you use all in one on a weekly basis as part.
But because it contaminates salt pools often and it looks like algae people refer to it as such.
Black algae have deep roots that work their way into.
If your pool turns to black from algae this case is quite rare and only happens at the beginning of the year of if you neglected your water salt pool for weeks or months then you will have to quadruple shock it using four pounds per 10 000 gallons of pool water.
Brush daily for a week with the proper brush for your pool paying special attention to algae affected areas.
This is the best multi purpose algaecide.
Black algae is more likely to come back after an initial outbreak.
Black algae also come from cyanobacteria and it is not an algae type.