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.
Remove black algae from vinyl pool.
To prevent this many manufacturers incorporate biocides within the makeup of the vinyl but this isn t always a bulletproof solution.
If the algae problem is extensive use a filter cleaner rather than just plain water.
If you have a vinyl lined pool do not use a wire brush as this can tear the liner shock or super chlorinate the pool using granular chlorine also known as calcium hypo chloride.
This sort of stain often is misdiagnosed as black algae arko says.
Black algae have deep roots that work their way into.
Brush all the black spots with a wire algae brush use a nylon brush for vinyl fiberglass or painted pools.
How to get rid of algae in your pool because of its appearance black algae look a little frightening.
Mix suncoast super black algaecide into a bucket of water and pour away from the sides of the pool.
I mean we.
And unless you kill the root black algae will pop up again and again just like a stubborn weed.
Nylon brushes will not work.
It will flourish in a warm pool with lots of sunny days.
Black algae are generally not an issue with smooth surfaced pools like fiberglass and vinyl.
If you have black algae in your pool you have black algae in your filter.
Brush every black algae spot with a steel bristle brush to remove the protective layer.
Brush daily for a week with the proper brush for your pool paying special attention to algae affected areas.
It actually roots into the pores of the pool surface.
The visible portion is only the top of the algae.
A pool flocculent will further remove any small spores or particles that weren t eradicated in the shocking process.
Any algae including black algae tend to bloom in bodies of pool water with a high ph level low chlorine bad circulation and filtration and not enough chlorine.
Scrub vigorously to remove the top layer and allow.
Treating it as such many technicians drop the ph and super chlorinate the water.
Black algae generally penetrate porous pool surfaces like concrete and gunite.
This stubborn algae shows up in the pool surface as small to large black spots or patches.
Add 1 5 quarts of suncoast metal control per 10 000 gallons.
Once these surfaces are infested with black algae it will take time and persistence to eliminate it.