Can UV Light Clear Algae From Ponds?

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UV (ultraviolet) light is used in many industries to sterilize products. While UV light has the ability to kill some bacteria, there are many misconceptions regarding UV and its ability to kill algae in ponds.

Algae

  • Although UV light produces cleaner looking water, all algae in a pond cannot be destroyed. Algae control in a pond environment is dependent upon the type of filer, the UV light wattage and the rate of algae production. Overall, if the UV light destroys algae faster than the algae turns the water green, this is enough to keep the water from becoming green and murky from algae overload.

UV Clarifying Systems

  • UV clarifying systems work to destroy algae in correlation with the proper UV wattage, water volume and light exposure. However, UV clarifying systems do not have the ability to destroy surface algae, bacteria, viruses or harmful microorganisms.

UV Sterilization Systems

  • Algae, viruses and bacteria can be destroyed with UV sterilizing systems. These systems offer higher radiation levels to penetrate both surface algae and harmful bacteria. Although it is virtually impossible for UV light to prevent algae from forming in pond water, UV sterilizing systems remove large amounts of algae, resulting in clearer and cleaner water.

References

  • Photo Credit dual ponds image by Andrew Kazmierski from Fotolia.com
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