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What is Ultraviolet (UV)?

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Sunlight has long since been known to kill micro-organisms. The rays from the sun contain the UV Spectrum used in Ultraviolet Water Treatment Systems - although at much lower intensities. Ultraviolet (UV) is a safe, clean, easy-to-maintain method of assuring that water is free of bacteria. UV Water Purification uses Ultraviolet light, just like sunlight, to kill micro-organisms that may be in the water.
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What are the advantages and disadvantages of UV or ultraviolet light?

The disadvantage are that it can cause skin cancer if you are exposed to sufficient amounts of UV light (in particular, UV-B and UV-C light). See the Related Questions link to

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What is the difference between uv-c uv-a and uv-b?

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Kestrels see in ultraviolet UV light how does this help them hunt?

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How do you get ultraviolet radiation?

You get out in the sun. Sun light includes UV radiation. Additional answer Your questions asks how do you get UV radiation. You can get it from the Sun or from special UV em