28 Apr 2015

What is Black Algae?

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Black algae is the most difficult to get rid of and it is rarely caused by an imbalance in chemicals. This algae grows inside the plaster of your pool. This strain of algae can bloom even if your pool is clean, properly filtered and has the appropriate amount of chemicals. Unfortunately, the rougher the plaster, the more likely you will develop a problem. Generally, black algae is a sign your pool is aging and could use a facelift.

Normally, you fight black algae with chlorine and the best way is often to drop chlorine directly on the spot or to rub chlorine directly on it. Of course, as we mentioned, it is really difficult to get it all because the roots extend deep into the plaster or even into the tile grout. Unless the roots are destroyed completely, the head of the algae will grow back. Even worse, the algae head contains protective layers or film that blocks chemicals from entering.

Of course, the most effective way to deal with black algae is to have your swimming pool resurfaced. The good news is that while the process is expensive, it does completely rid the pool of black algae and you can enjoy the clean pool surface for a long time.

If you have questions regarding black algae, feel free to call us to come check on your problem. We will do our best to help you get rid of it, whether it means help with chemicals or resurfacing.