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Pool Definitions: Algae

By Lisa Hallett Taylor, About.com

Definition: Algae are microscopic plant-like organisms that contain chlorophyll. They are nourished by carbon dioxide (CO2) and rely on sunlight to carry out photosynthesis. Simply put, you don't want algae in your swimming pool. So how do they get there? Most often through the atmosphere, via rain or wind. Algae grow in colonies. While more than 21,000 species of algae exist, the types most commonly found in swimming pools are black algae, blue-green algae, green algae and mustard algae (yum!). Algae provide the perfect substrate in which bacteria grows.<p> How do you get eliminate algae from your pool or spa? Good, old-fashioned maintenance: by using pool test kits, algaecides, shock treatments or super-chlorinators to prevent or destroy algae.
Common Misspellings: Algea; Alga
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