Ultra-violet (UV) light has been found to be an effective method for algae control in water. Though crucial to pond life, an overabundance of algae can quickly become a nuisance. Filters fitted with UV lights kill algae spores when water is passed through the filter.
Why kill algae? An overabundance of algae in a pond serves as a grave threat to fish in the pond. Algae deplete oxygen in the water which eventually will kill the pond. The UV light was found to have an adverse effect on the algae. This treatment can reduce the amount of chemicals used to treat a dying pond, aquariums, and pools.
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For more information on UV light, check out SCIENCE SCREEN REPORT’s Volume 40 episode: LIGHT-WAVE TECHNOLOGY – New Advances.
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