Supreme UV Sterilizer 20 Watt
The Supreme Clarifier UV Sterilizer is a submersible sterilizer housed in a watertight quartz sleeve. It features glowing monitor rings that indicate when the unit is actively working and visible underwater. The sterilizer comes with an 18-foot cord and is designed to be used both in and out of water. It effectively controls waterborne algae and helps prevent the spread of waterborne diseases. All models have a 9000-hour lifespan and are suitable for ponds up to 3000 gallons.
Specifications
| Feature | Model |
|---|---|
| UV Output | 20 Watt |
| Lifespan | 9000 hours |
| Water Capacity | Up to 3000 gallons |
| Cord Length | 18 feet |
| Operation | In and out of water |
FAQ
How does the UV sterilizer work to control algae?
The UV sterilizer emits ultraviolet light that disrupts the DNA of algae and bacteria, preventing them from reproducing and growing in the water.
Can the sterilizer be used in both in-water and out-of-water conditions?
Yes, the Supreme UV Sterilizer is designed to be used both in and out of water, providing flexibility for different pond maintenance setups.
What is the expected lifespan of the UV sterilizer?
The unit has a 9000-hour lifespan under normal operating conditions.

Adam Rutherford –
This UV sterilizer has been running in my 3000-gallon pond for over six months. The glowing rings make it easy to see when it’s active. Algae levels have dropped significantly and the water looks much clearer. No issues with performance or durability so far.
Edward Kerr –
Installed it last spring and it’s been working well. The 18-foot cord gives me good placement options. I notice a noticeable reduction in algae growth, especially during summer months. A reliable addition to my pond system.
Pippa Edmunds –
The unit is easy to install and operates quietly. The monitor rings are very helpful for checking if it’s running. I’ve used it in both in-water and out-of-water modes and it performs consistently.