💧Crystal Clear Aquarium Water in Days! - Internal UV System for Aquariums up to 50Ga
 
Tired of battling green, cloudy water in your aquarium? The Green* Killing Machine (GKM) 9W UV System is your solution! Designed for aquariums up to 50Ga, this easy-to-use system will have your tank crystal clear in days.
 
How It Works:
 
The GKM9W Internal UV System uses powerful UVC rays to control water contaminants, in turn keeping your water clean and clear. The system’s pump ensures that the water flows directly over the UV lamp, maximising its effectiveness and minimising the need for frequent water changes.
 
✅ Key Features:
 
Efficient UVC Technology: Clears green water and reduces cloudiness with powerful UVC rays.
Perfect for Aquariums up to 50Ga: Ideal for most standard fish tanks and small enough to fit well into sump tanks.
Easy Installation: Takes just 5 minutes to set up with no tools required. The pump and UV lamp are fully submersible and can be securely attached to your aquarium with included suction cups.
LED Indicator: A convenient LED light will let you know when it's time to replace the UV bulb—changing the bulb is quick and tool-free!
Long-Lasting UV Bulb: Lasts 6-9 months with continuous use, ensuring consistent performance.
Durable Sealed UV Bulb Design: Avoid UV housing deteriorate over time, fresh housing with every bulb change.
Energy Saving: Turn off the system once your water is clear to extend the lifespan of the UV lamp.
 
Why Choose the GKM9W?
 
Proven Success: Over 3/4 million units of GKM shipped worldwide, trusted by aquarium owners across the globe.
UL for Safety: UL & cUL Listed for product safety.
Ships domestically: Fast & reliable shipping via UPS, with local customer service and spare parts available from our local support team.
 
What's Included:
 
Internal UV System with Water Pump
Sealed UV Bulb (9W)
Control Box & Adapter
Suction Cups for easy installation
 
Additional Info:
Dimensions: 3.7" x 3.3" x 10” (excluding control box and adapter)
Replacement Bulb: AA09W-UVC
 
For more information, product videos, and support, visit our dedicated website: GKM Aquarium Support
 
Watch our setup and maintenance videos:
Quick Startup: Watch Here
Pump Cleaning: Watch Here
Product Overview: Watch Here
 
* Controls Green Water
* All GKM products are manufactured in an EPA Registered Establishment
* Lamp contains Mercury. Manage in Accordance with Sate Disposal Laws