Best Uvc Klãrer 2026

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Last Updated - 03.02.2026

Best Choice

01

Fluval

UVC Aquarium Clarifier for Fluvla FX Filter 6W

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9.9

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

The FX UVC inline clarifier works with a 6W CCFL bulb that can be replaced quickly and easily by removing 2 screws.
It can work in any direction so you don't have to adjust your current filter or furniture.
Fits easily into aquarium furniture with minimal interference to your existing filter assembly.
Cold cathode fluorescent (CCFL) lamp operates at lower temperature than traditional UVC bulbs and lasts up to 2 times longer.
A light in the transparent lid of the UVC FX clarifier indicates when the device is in operation.

111,49 €
Value for Money

02

Oase

OASE 43178 ClearTronic UVC Clarifier, Algae Clarifier for Aquariums, for Freshwater and Saltwater Aquariums up to 400 L, 9 Watt

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14% 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

Safe: 100% VDE certified. Safe from eye damage
Highly effective: fights floating, harmful bacteria and germs - however, bound beneficial cleaning bacteria are not detected
High quality: top workmanship with impact-resistant plastic housing
Comprehensive: Includes high-quality UVC bulb and various connection accessories
Clear water: removes turbidity caused by floating algae and bacteria

85,90 € 99,95 €(14% Off off)
03

Fluval

Fluval 3W CCFL UVC Clarifier

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9.5

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 CCFL (Cold Cathode Fluorescent Light) technology runs at a cooler operating temperature than conventional UVC lamps and lasts up to 30,000 hours (3 times longer)
Suitable for use in freshwater and saltwater aquariums and even in turtle aquariums where algae are common
Quickly connects to all external filter hoses with an inner diameter of 5/8" (or 16 mm), including all Fluval filters of the 07 and 06 series
Eliminates floating bacteria and algae in the water column that contribute to cloudy or green water and helps prevent the growth of cyanobacteria, which often cause aquatic plants to suffocate and die
A chemical and maintenance free way to purify water

76,39 €
04

BAITAI

BAITAI Aquarium Internal Filter with UV Steriliser & Timer, Powerful 5-in-1 Filter Pump with Ventilation & Rain Shower, 1200 L/H, Quiet, for Freshwater & Saltwater, Suitable for 120-400L Aquariums

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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

UV lamp with timer and memory: flexible 4/8/12/24 hours. setting; remembers the last configuration even after power failure.
Suitable for fresh and saltwater: perfect for ornamental fish, saltwater aquariums and turtle tanks; clear, oxygen-rich water all year round.
Powerful filtering for large aquariums: 1200L/H with UV steriliser keeps aquariums from 120-400L clear, free from algae and bacteria.
Durable and very quiet: quality motor with low-vibration attachment; ensures quiet operation without stress for fish.
Comprehensive water care: combination of circulation, ventilation, rain shower and UV sterilisation for optimal water quality.

34,97 €
05

BAITAI

BAITAI Aquarium Internal Filter with UV Sterilizer & Timer, 5-in-1 Filter Pump with Ventilation & Rain Shower, 500L/H, Quiet, for Freshwater & Saltwater, Suitable for 50-125L Aquariums

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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

This UV filter is suitable for a 50-125 litre aquarium. CRYSTAL CLEAR WATER & ALGAE CONTROL - 4-in-1 filter with UV sterilizer eliminates green water, inhibits algae and keeps aquariums from 50-125L clean.
Safe & Versatile: Suitable for fresh and salt water; durable design ensures reliable operation.
Quiet and maintenance-friendly: whisper-quiet motor, tool-free disassembly and easy cleaning of the filter media for stress-free care.
Programmable UV timer with memory: set 4/8/12/24 hours. Memory function restores the last setting after power failure.
Oxygen increase and rain shower: integrated ventilation system with spray tube improves oxygen exchange for healthy fish.

32,97 €
06

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
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

【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)
07

everfarel

everfarel 5-in-1 Aquarium Filter with 6 W UVC Clarifier Aquarium Internal Filter with Timer, Aquarium Pump Including Adjustable Flow for 20-1500 L Aquariums (8 W 500 L/H)

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8.7

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

Wide application: this aquarium filter pump uses a pure copper motor that runs quietly and more stable. It is widely used in aquariums, fish tanks, ecological pools, waterfalls and hydroponic systems, irrigation systems, etc. It is the first choice for aquarium pump for home aquariums.
Easy to install/clean: the aquarium inner filter is equipped with a suction cup that can be attached to any position in the aquarium. The aquarium filter is easy to disassemble and assemble, which makes subsequent cleaning and replacement of internal components easier.
Built-in UV cleaner: the aquarium pump uses an external split controller, and the water pump filtration and UV sterilisation can be controlled separately. Equipped with a 6 W UV clear aquarium filter, it can kill some micro-organisms, slow down algae growth, inhibit the growth of viruses and create a healthy environment.
Adjustment of flow rate/water outlet direction: the maximum flow rate of the aquarium filter is 500 l/h. The size of the water outlet can be adjusted as needed, and the water outlet direction can be adjusted 180° left and right. The water outlet is equipped with a rain nozzle and an oxygen nozzle, which are both decorative and practical.
5-in-1 multifunctional aquarium filter: the 5-in-1 aquarium filter pump, circulation filtration, sterilisation/algae removal, oxygen enrichment, rain shower and wave generation. It can be used as an aquarium internal filter for cleaning impurities in the aquarium and as an aquarium oxygen pump to increase the oxygen content in the water, creating a healthy environment for fish and aquatic plants.

25,63 €
08

SunSun

SunSun CUP-807 Aquarium Internal Filter 700 l/h 4-in-1 Filter with Pump for Aquarium, UVC Clarifier and Oxygen Hose, with Filter Sponge and Bioballs

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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

[VERSATILE INTERNAL FILTER] - With 2-stage filtration through filter sponge and bio-quartz balls, the internal filter in the aquarium ensures crystal clear water and optimal biological cleaning.
[UVC Clarifier for Clean Water] - The built-in 7-watt water clarifier eliminates harmful bacteria and algae, ensuring a clear and healthy environment in the aquarium.
[Powerful Aquarium Pump] - Built-in 700L/H pump at only 10W ensures efficient water circulation while saving energy. The outlet nozzle can be swivelled 90°.
[Individually Adjustable Oxygen Supply] - The integrated hose provides the possibility of additional oxygen supply to create optimal conditions for your aquarium inhabitants.
4-in-1 filter for medium aquariums: The SunSun CUP-807 combines internal filter, aquarium pump, UVC clarifier and oxygen hose in one device. Ideal for aquariums up to 500 litres.

33,49 €
09

Editbar

Editbar Aquarium UV Steriliser Lamp - UV Disinfectant Lamp for Aquarium, Kitchen & Ponds, Energy Saving with Timer & Protective Cover, UV Water Disinfection, Algae Control, Chlorine & Bacteria Filter

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8.5

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

Practical timer: with the practical timer (4-24 hours), you can adjust the lamp as needed to optimise the water quality and save electricity at the same time. Perfect for user-friendly, energy-efficient application.
Healthy water quality: the Editbar 3 W UV steriliser lamp effectively removes bacteria, viruses and algae from the water. It provides healthy, clear water and promotes the well-being of your fish in aquariums, fish tanks and ponds.
Energy-efficient and durable: with only 3 W power consumption, this UV lamp offers an energy-efficient solution for treating your water. Durable ABS material ensures a long service life and high resistance to water and moisture.
Easy to install: the lamp is suitable for aquariums up to 60 cm, ponds, aquarium pools and kitchens. With its compact size (110 x 30 x 20 mm), it can be easily installed and harmonises with any room design while taking your water quality to a new level.
360° water disinfection - UV-C radiation ensures even and complete disinfection of the water, kills up to 99.9% of harmful micro-organisms and removes odours as well as harmful chemicals such as chlorine and other impurities.

15,99 €
10

Forever Speed

Forever Speed 5-in-1 Aquarium Internal Filter with UVC Clarifier 3 Watt, Aquarium Filter Pump Including Adjustable Flow 400L/h for 40-120L Aquariums

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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.

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Main highlights

Suitable for fresh and salt water: the aquarium filter must be completely submerged in fresh and salt water. The design of the floor vacuum cleaner filters out impurities more thoroughly, and the slim inlet prevents fish from being sucked in so they are safe.
Low noise and easy to install: the aquarium filter pump is equipped with strong suction cups that can be attached anywhere under the water surface of the aquarium. The pure copper motor is more stable and safer in operation, with low noise level, it is the first choice for aquarium filter pumps at home.
Built-in UV cleaner: the aquarium filter is equipped with a 3W UV cleaner that kills some micro-organisms, slows down the growth of algae and inhibits the growth of viruses to achieve a healthy environment. The pump is with the UV timer you can choose 3 different times: 4 hours, 8 hours and 24 hours, depending on the water quality.
Adjustable flow rate/direction of the water outlet: the maximum flow rate of the built-in filter is 400L/H, and the size of the water outlet can be adjusted as needed, and the direction of the water outlet can be adjusted 180° left and right. The water outlet is equipped with a rain shower and an oxygen nozzle, which is decorative and practical.
5-in-1 multifunctional aquarium filter: the multifunctional aquarium inner filter, which combines circulation filtration, sterilisation, oxygen enrichment, rain shower and wave formation, can be used both as a filter for cleaning impurities in the aquarium and as an aquarium oxygen pump to increase oxygen in the water body and create a healthy environment for fish and aquatic plants.

25,99 €