Pond UVC Filtering For Green Water
Many pond owners ask us the question: “How do I treat green water in my pond?”. The correct UV Clarifier, in combination with a filtration system, will yield great results.
UV clarifiers, such as the OASE Bitron range, are important in maintaining a clean and healthy pond environment. They use ultraviolet light to kill harmful microorganisms and parasites that can cause diseases in fish and other aquatic life. By sterilizing the water, UV clarifiers help to control the growth of algae and improve water clarity, leading to a healthier and more attractive pond ecosystem. Additionally, UV clarifiers also help to maintain good water quality by reducing the level of organic matter in the water, which can contribute to poor water quality and the growth of harmful bacteria.
About the Bitron C 110 UV Clarifier
OASE engineers have developed the Bitron C 110W Pond UV Clarifier, a high-quality solution for crystal clear, healthy pond water.
Pond Suitability:
- Ponds with no fish up to 110m3 (110,000 litres)
- Goldfish ponds up to 55m3 (55,000 litres)
- Koi Carp ponds up to 27.5m3 (27,500 litres)

The Bitron units have strong permanent magnets to prevent limescale build-up, and an automatic cleaning mechanism for the inner quartz glass tube. The Bitron also has an adjustable bypass system for optimal performance, an inspection window, and is designed for safety with German VDE testing and approval. It is a valuable component for OASE filtration systems and should be replaced after 10,000 operating hours (9 years+) for full UVC effectiveness.
Bitron C 110W Pond UV Clarifier features:
- Eliminates suspended algae
- Reduces harmful bacteria and pathogen levels
- Suitable for ponds up to 60m3 (60,000 litres)
- Economic 110W power consumption, with 5m cable
- Includes high-quality UVC bulb
- Clever UVC function monitor
- Bypass technology for optimal irradiation
- Individual water flow adjustment
- Integrated magnets for protection against limescale deposits
- 100% eye protection
- Quick release technology for easy bulb replacement
- High-quality design with impact-resistant plastic
- OASE Clear Water Guarantee included
Connectivity
The Bitron C has one inlet and two outlets with hose adapters up to 1 1/2″ (with a 2″ inlet for Bitron 36C to 110C). It also has an adjustable bypass system for optimal performance matching with the filter pump (Bitron 18C to 110C), which can be easily adjusted by turning the regulator valve.
Spare UV Bulbs can be easily replaced. Speak to our professional team at DH Water Gardens for fitting, installation, and general UVC advice.

Technical Information
Dimensions (L x W x H) | mm | 730 x 215 x 200 |
Rated voltage | 220 – 240 V / 50/60 Hz | |
Power consumption | W | 110 |
Power cable length | m | 5.00 |
Net weight | kg | 6.70 |
Limited Warranty | Years | 2 |
UVC power | W | 110 |
Temperature display | No | |
UVC Bypass | manually | |
UVC operating hours meter | No | |
Function check | Visual | |
Number of inlets | Units | 1 |
Inlet connections | mm | 19 / 25 / 32 / 38 / 50 |
Inlet connections | ¾”, 1″, 1 ¼”, 1 ½”, 2″ | |
Number of outlets | Units | 2 |
Connections, outlet | mm | 25 / 32 / 38 |
Outlet connections | 1″, 1 ¼”, 1 ½” | |
Min. flow rate | l/h | 12000 |
Max. flow rate | l/h | 40000 |
Max. operating pressure | bar | 1 |
Suitable for ponds up to max. | m3 | 110.0 |
Suitable for ponds with fish stock | m3 | 55.0 |
Suitable for ponds with koi | m3 | 27.5 |
Connection to | BioTec 30, BioTec ScreenMatic2 90 – 140000, ProfiClear |
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