• REAL UV - REAL SIMPLE - REAL RESULTS

  • Keep your aquarium crystal clear

  • Helps eliminate cloudiness

        * Controls Green Water 

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Turn Green water into Clear water in days with GKM!

Ultraviolet technology is a proven method that uses short wavelength ultraviolet (UVC) light to help reduce green water. Many drinking water systems use this technology.

 

The Green* Killing Machine (GKM) makes fighting green water easier as it is internal UV – that is, a UV system that you simply drop into your tank for a full UV protection.
UV radiation is effective in controlling water contaminants, in turn clearing up green water. In addition, the design of GKM allows it to be hidden behind ornaments or plants in your aquarium, eliminating potential leaks around your tank.

 

Other benefits of GKM by AA Aquarium:

  • 5-minute installation without any tools 

  • Our Sealed UV Bulb has water flow in direct contact with the UVC lamp for increased efficiency.

  • 4 sizes that fit most aquariums:  3 Watt internal, 3 Watt Clip-On (40~80L), 9 Watt (81~200L) & 24 Watt (201~450L). 

  • When choosing a UV for your aquarium always chose a SAFETY TESTED UV product. Water and electricity require great design. The Green* Killing Machine is the ONLY Internal UV System that is safety certified by Underwriters Laboratories (UL). Other units have NO US safety certifications.  DON’T RISK HARM TO YOUR FISH – use a certified-safe GKM.

  • Made in an EPA registered establishment.

Which GKM?

Select GKM base on the size of your aquarium, we recommend:

  • GKM Clip-On 3W for tanks up to 80L running with a waterfall filter. 

  • Mini GKM 3W for tanks up to 80L.

  • GKM 9W for tanks up to 200L.

  • GKM 24W for tanks up to 450L.

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Mini GKM 3W
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GKM24W
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For more information, click on the icon below to visit our GKM website

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* Controls Green Water