Get the Skinny on Pool Algae

Algae makes swimming pool water green

Green Algae in Pool Water

Did you know that there are 21,000 known species of algae?  Luckily, pool owners usually have to contend with only a tiny fraction of these.  Algae are microscopic aquatic plant life that are introduced by rain or wind and grow in colonies that produce nuisance masses.  While algae do not cause disease, they can harbor bacteria, create a high chlorine demand, and pose a dangerous slipping hazard.

The most common types of algae that can grow in swimming pools are black algae, blue-green algae, green algae, and mustard algae (which can be yellow or brown).  Prevention is the key to controlling algae.  Preventing algae growth in swimming pools is as easy as maintaining proper sanitizer levels and proper filtration, brushing pool surfaces,  and using super-chlorination.

To rid a pool of algae once it has become established, the use of a high-quality algaecide is recommended.  The best choice is an algaecide that will not only kill existing algae, but prevent them from forming again.

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