Treat Black Algae Vinyl Liner

If this subject is still a active discussion maybe i can add a little more info.

Treat black algae vinyl liner.

How to get rid of algae in your pool because of its appearance black algae look a little frightening. Also black algae seldom forms in pools with fiberglass or vinyl liners. 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. You can also use about 1 2 lb.

Don t leave the chlorine on the spot for too long as it may bleach the liner. A few other ways to recognize black algae in your pool. It s more at home in concrete plaster or gunite pools because they re porous surfaces the organism can really latch onto and even grow roots past the surface. Brush every black algae spot with a steel bristle brush to remove the protective layer.

Of calcium hypochlorite granular chlorine in an old sock to put on a spot. 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 will flourish in a warm pool with lots of sunny days. Black algae in a vinyl pool is possible but not very likely.

Over the last 12 yrs i have probably looked at over 100 inground vinyl pools with this black mold growth under the liner. 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. 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.