Clear Water Algae Scrubber

An algae scrubber is a water filtering device (not to be confused with a scrubber pad used to clean glass) which uses light to grow algae; in this process, undesirable chemicals are removed from the water. Algae scrubbers have allowed saltwater and freshwater aquarium, or, pond hobbyists the ability to operate their tanks the way that oceans and lakes operate: using natural filtration in the form of primary production.

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