Best Uvc Klärer 2026

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Last Updated - 03.02.2026

Best Choice

01

Coospider

Aquarium U-V Filter Pump for 150-380L Fish Tank, 5W Lamp Anti Algae U-V Clarifier, 1200L/h Crystal Clear Algae Killer Water Pump Air Supply Flow Pump for Cold Water Tropical Fish

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16% Off
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【1 year after-sale service】We offer you a 4000 hour warranty and friendly customer service. If you are not satisfied with our machine in any way after receiving the aquarium pump, please contact the service mailbox on the package.
Separate switch: control the water pump and the aquarium light separately. If you only want to use the water pump, you can turn off the aquarium light separately.
Easy to check light up: you can easily check whether the light is switched on from the outside of the machine, do not need to disassemble the machine to see it.
Crystal clear: built-in 254 nm wavelength fish tank U-V light. It is used in green water aquariums. Make your aquarium crystal clear. It can reduce the number of tank water changes and you don't have to spend much effort to change the water.
Air supply and fresh smell: Once the aquarium is full of green algae, it is accompanied by the smell. This machine can reduce the smell in the aquarium and generate air bubble to add oxygen to your tank water. Simulation of the natural ecology environment.

41,99 € 49,99 €(16% Off off)
Value for Money

02

Mauk

Mauk 673 Light Filter UV-C Algae Clarifier with Replacement Light Bulb 7 W

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12% Off
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The UV-C radiation breaks the cell nuclei of the pests so that they collapse and clump together. This allows the downstream filter to absorb the algae that were previously too small to be collected. The certain wavelength does not affect plants and animals. The effect is exclusively on floating algae, harmful bacteria and pathogens.
Technical details: - Power: 1,200 l/h - Max. Pressure: 0.3 bar - Max. Pond size: 6,000 L - Cable length: 4.8 m - Connections: 3/4 - 1 1/2 inch - Weight: 1.6 kg
Powerful UV-C tube with quartz glass coating for increased service life cleans up to 6,000 litres of water in the pond, fountain, aquarium or water system within just 14 days.
Ideal for cleaning ponds or aquariums, whether fresh or salt water, indoors or outdoors. With integrated automatic emergency stop
Easy and installation of the UV-C light filter. So your fish, crabs and other aquatic inhabitants stay healthy and live long.
100% chemical free: absolutely harmless to fish and plants in your pond. The effect is exclusively on floating algae, harmful bacteria and pathogens.

39,90 € 45,33 €(12% Off off)
03

FEDOUR

FEDOUR 600LPH Aquarium Filter U-V with Timer, 8W Adjustable Aquarium Filter Pump, Underwater Internal Filter for 30-180L Basins, with Biochemical Cotton, Activated Carbon Cotton, Ceramic Balls

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Specifications】Powerful aquarium internal filter, power: 8W, max water flow: 600LPH, size: 19*7.3*6.6cm, length of spray bar: 6.2in/16cm, length of power cable: 1.5m. Suitable for 30-180L fish and turtle tank.
With timer: you do not need to constantly turn on the U-V lamp. With this timer, you can choose to turn on the lamp for 6 hours, 9 hours, 12 hours or 24 hours according to your needs, which can be more convenient for you. No matter when and where you are, this timer function saves you trouble.
Unique design: this aquarium inner filter has two types of outlets: spray bar and duckbill outlet, and both can be rotated 360°. There is an adjustable button on the spray bar to adjust the water flow of the filter. In addition, this fish filter features a minimum water level design. And the four suction cups can securely attach the filter to the aquarium without it slipping.
This aquarium filter has an overheating protection function that can effectively prevent the motor from overheating due to internal blockages, avoiding engine damage and ensuring higher reliability. In this case, the operation can be resumed once the blockage on the rotor is removed.
Silent fish tank filter: For this aquarium filter, we have improved the internal structure of the pump to further improve sound insulation. Once you put the filter in the water and turn it on, you can hardly hear the motor, just the sound of the water splashing out. The noise level is <35 dB.
Excellent filtration performance: Built-in U-V, not only cleans the water, but also makes the green water clear. This aquarium filter pump also has three types of filter media: 1 piece activated carbon cotton, 2 pieces biochemical cotton and some ceramic balls, which have good filtration effect.

19,97 €
04

BAITAI

BAITAI 5-in-1 Aquarium Filter with Timer, 800L/H U-V Aquarium Internal Filter with Ventilation & Rain Shower for Freshwater & Saltwater, Suitable for 50-267L Aquariums

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Whisper-quiet and low vibration: noise-reduced motor with sturdy suction cups for quiet, trouble-free operation.
Universal use: compact for freshwater and saltwater, ideal for medium to large aquariums.
Strong Filtering Performance & UV Sterilization:800L/H flow for 80-267L aquariums; effectively removes dirt, bacteria and turbidity.
OPTIMIZED VENTILATION & SPRAY TUBE Adjustable spray tube increases oxygen levels and simulates natural water flow.
Intelligent UV control: independent timer (4/8/12/24 hours). Save energy, memory function continues settings after power interruption.

32,97 €
05

AquaForte

AquaForte GUV-207 UV-C, Max Pond 6 m³, Max Flow 1.2 m³/hour, 7 Watt, Housing with Quick Lock Connection, Equipped with 3 Connectors: 3 Hose Nipples 20/25/32/40 mm and UV Sight Glass

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Quick lock. The case has a quick release for easy removal and cleaning of the quartz glass
Protects your fish. The use of UV-C protects your fish from germs while helping to make your water clear
Multiple connections. Equipped with 3 connections: 3 hose nozzles 20/25/32/40 mm and UV sight glass
Less maintenance: Using UV-C ensures less maintenance of your pond and lower energy costs
Environmentally friendly. The technology is environmentally friendly and prevents the possibility of overdosing

35,05 €
06

OMECO

OMECO 5-in-1 8 W UVC Clarifier Aquarium Internal Filter with Timer 800 L/H Adjustable Aquarium Internal Filter with UVC Clarifier Pump for Sea Water and Sweet Basins 150-300 L Volume

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17% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Quiet and easy to assemble: the aquarium filter pump with suction design can be mounted directly on the wall of the aquarium. UVC clarifier aquarium indoor air pump quiet, more stable engine running, suitable for fresh and sea water. 800L/H pump head can reach 0.8m. If you encounter product problems, please contact us in time. Our professional customer service will help you solve your problem quickly.
Medium aquarium tank: aquarium pump with filter through the oxygen injector additional oxygen, suitable for small and medium pools with water volume up to 175L-300L, aquarium filter pump is not suitable for large volume ponds. The maximum power of the water pump is 8 W, which saves energy and reduces emissions.
8 W UVC clarifier aquarium: UV filter aquarium inside by placing UVC clarifier pumps, some microorganisms are killed, the growth of algae and moss slows, the growth of viruses inhibited and achieves a healthy environment that corresponds to the growth of fish. UVC clear aquarium inner filter for aquariums allows you to control the UV lamps with a separate on/off switch. and you can choose whether and you you should run 4, 8 or 24 hours a day.
5-in-1 aquarium pump: the built-in filter pump in the aquarium filter continuously water for sterilisation, filtration, water pump, oxygen, timer increase. The aquarium filter pump is a filter sponge and precipitation spraying, effective filtering of harmful substances in the water, which simulates the effect of a waterfall and creates a good and healthy environment for fish.
180 Rotatable Filter Outlet: aquarium pump outlet adopts 180° rotating design to control the flow rate of the spray rod and outlet, as well as an oxygen injector that provides the aquarium with extra oxygen, creating a healthy environment for fish and aquatic plants

29,99 € 36,26 €(17% Off off)
07

OMECO

OMECO 5-in-1 8 W UVC Clarifier Aquarium Internal Filter with Timer 800 L/H Adjustable Aquarium Internal Filter with UVC Clarifier Pump for Sea Water and Sweet Basins 150-300 L Volume

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Quiet and easy to assemble: the aquarium filter pump with suction design can be mounted directly on the wall of the aquarium. UVC clarifier aquarium indoor air pump quiet, more stable engine running, suitable for fresh and sea water. 800L/H pump head can reach 0.8m. If you encounter product problems, please contact us in time. Our professional customer service will help you solve your problem quickly.
Medium aquarium tank: aquarium pump with filter through the oxygen injector additional oxygen, suitable for small and medium pools with water volume up to 175L-300L, aquarium filter pump is not suitable for large volume ponds. The maximum power of the water pump is 8 W, which saves energy and reduces emissions.
8 W UVC clarifier aquarium: UV filter aquarium inside by placing UVC clarifier pumps, some microorganisms are killed, the growth of algae and moss slows, the growth of viruses inhibited and achieves a healthy environment that corresponds to the growth of fish. UVC clear aquarium inner filter for aquariums allows you to control the UV lamps with a separate on/off switch. and you can choose whether and you you should run 4, 8 or 24 hours a day.
5-in-1 aquarium pump: the built-in filter pump in the aquarium filter continuously water for sterilisation, filtration, water pump, oxygen, timer increase. The aquarium filter pump is a filter sponge and precipitation spraying, effective filtering of harmful substances in the water, which simulates the effect of a waterfall and creates a good and healthy environment for fish.
180 Rotatable Filter Outlet: aquarium pump outlet adopts 180° rotating design to control the flow rate of the spray rod and outlet, as well as an oxygen injector that provides the aquarium with extra oxygen, creating a healthy environment for fish and aquatic plants

33,99 €
08

Forever Speed

Forever Speed Aquarium Filter with UVC Clarifier Aquarium Internal Filter 6 W, 5-in-1 Nano Aquarium Filter for 20L-1500L Aquariums (8W 500L/H)

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Removable filter: this aquarium filter - a practical inner filter - is also suitable as a nano aquarium filter for limited installation space (e.g. narrow interiors of small aquariums or cramped placement zones). If removing a filter section is enough for adjustment - without device replacement - so the core function of the UV clarifier aquarium, UVC clarifier aquarium as well as the aquarium UV filter is maintained with easy installation.
Four modes: this aquarium filter with built-in UVC clarifier aquarium - a versatile aquarium filter and practical aquarium internal filter - has 4 modes: rain, ventilation, vertical, horizontal. Its aquarium filter pump must be completely submerged and is ideal for fish brood breeding, turtle keeping and sensitive aquarium inhabitants.
Built-in UV lamp: this aquarium filter - a powerful aquarium filter with UV - combines the advantages of an internal filter pump and aquarium pump with filter with an integrated UVC clarifier aquarium. It eliminates micro-organisms, inhibits algae/moss growth and suppresses viruses, has a timer with 4 time modes (4H/8H/12H/24H) and can be removed separately when not in use.
Adjustable oxygen content: this aquarium filter - a versatile filter aquarium as well as practical aquarium filter - is suitable as an aquarium filter 60 L and aquarium internal filter, with a flow rate of 500 L/h for the aquarium pump of 20-1500 L aquarium volume for flexible adjustment of the oxygen content in the water. Precise adjustment from gentle oxygen supply for nano basins to powerful oxygen distribution for large aquariums with demanding aquatic inhabitants.
5-in-1 multifunctional filter: this aquarium filter - a powerful filter aquarium - is an internal filter with UV clarifier that also optimises water movement as a practical aquarium pump. It is versatile as an internal filter aquarium and aquarium internal filter, combines circulation, sterilisation, oxygen enrichment, rain function and wave formation, reliably removes impurities and increases oxygen content to create a healthy aquarium environment.

25,64 €
09

Forever Speed

Forever Speed Aquarium Filter with UVC Clarifier Aquarium Internal Filter 6 W, 5-in-1 Nano Aquarium Filter for 20L-1500L Aquariums (8W 500L/H)

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Removable filter: this aquarium filter - a practical inner filter - is also suitable as a nano aquarium filter for limited installation space (e.g. narrow interiors of small aquariums or cramped placement zones). If removing a filter section is enough for adjustment - without device replacement - so the core function of the UV clarifier aquarium, UVC clarifier aquarium as well as the aquarium UV filter is maintained with easy installation.
Four modes: this aquarium filter with built-in UVC clarifier aquarium - a versatile aquarium filter and practical aquarium internal filter - has 4 modes: rain, ventilation, vertical, horizontal. Its aquarium filter pump must be completely submerged and is ideal for fish brood breeding, turtle keeping and sensitive aquarium inhabitants.
Built-in UV lamp: this aquarium filter - a powerful aquarium filter with UV - combines the advantages of an internal filter pump and aquarium pump with filter with an integrated UVC clarifier aquarium. It eliminates micro-organisms, inhibits algae/moss growth and suppresses viruses, has a timer with 4 time modes (4H/8H/12H/24H) and can be removed separately when not in use.
Adjustable oxygen content: this aquarium filter - a versatile filter aquarium as well as practical aquarium filter - is suitable as an aquarium filter 60 L and aquarium internal filter, with a flow rate of 500 L/h for the aquarium pump of 20-1500 L aquarium volume for flexible adjustment of the oxygen content in the water. Precise adjustment from gentle oxygen supply for nano basins to powerful oxygen distribution for large aquariums with demanding aquatic inhabitants.
5-in-1 multifunctional filter: this aquarium filter - a powerful filter aquarium - is an internal filter with UV clarifier that also optimises water movement as a practical aquarium pump. It is versatile as an internal filter aquarium and aquarium internal filter, combines circulation, sterilisation, oxygen enrichment, rain function and wave formation, reliably removes impurities and increases oxygen content to create a healthy aquarium environment.

20,79 €
10

Coospider

Aquarium U-V Filter Pump for 150-380L Fish Tank, 5W Lamp Anti Algae U-V Clarifier, 1200L/h Crystal Clear Algae Killer Water Pump Air Supply Flow Pump for Cold Water Tropical Fish

Show more
8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

【1 year after-sale service】We offer you a 4000 hour warranty and friendly customer service. If you are not satisfied with our machine in any way after receiving the aquarium pump, please contact the service mailbox on the package.
Separate switch: control the water pump and the aquarium light separately. If you only want to use the water pump, you can turn off the aquarium light separately.
Easy to check light up: you can easily check whether the light is switched on from the outside of the machine, do not need to disassemble the machine to see it.
Crystal clear: built-in 254 nm wavelength fish tank U-V light. It is used in green water aquariums. Make your aquarium crystal clear. It can reduce the number of tank water changes and you don't have to spend much effort to change the water.
Air supply and fresh smell: Once the aquarium is full of green algae, it is accompanied by the smell. This machine can reduce the smell in the aquarium and generate air bubble to add oxygen to your tank water. Simulation of the natural ecology environment.

34,46 €