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20 Best Canister Filter For 125 Gallon Aquarium (2022 Updated)

Canister filters are one of the most popular and efficient ways to filter an aquarium. They work by drawing water from the aquarium through an inlet tube and forcing it through a series of filters before returning it to the tank through an outlet tube.

Canister filters are very versatile and can be used on a variety of aquarium sizes.

20 Best Canister Filter For 125 Gallon Aquarium

1. Seachem Purigen Ultimate Filtration for Aquariums, 2.1-oz Bag

Seachem Purigen Ultimate Filtration for Aquariums, 2.1-oz Bag

  • Soak in a 1:1 bleach and water solution for 24 hours in a non-metallic container in a well ventilated area and away from children.
  • Use regular 8.25% hypochlorite household bleach (non-scented, no dyes, do not use a splash-less bleach).
  • Rinse well, then soak for 8 hours with a solution containing 4 tablespoons of Seachem Prime, or an equivalent dechlorinator per cup of water.
  • Rinse well.

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inTank
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SaltwaterAquarium.com

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Details
Weight 0.3 lb

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comirray
Angelfish Junky
rbsquared

2. Eheim Professionel 3 Filter

Eheim Professionel 3 Filter

  • Designed with the highest standard of aquatic performance in mind
  • Made in the USA with quality materials
  • Aquatic health and performance design for quality life

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Specifications

Details
Aquarium Size 201+
Aquarium Type Freshwater & Saltwater
GPH 450
Power Cord Length 6 ft
Outlet Size 16/22mm
Max Head Height 5.2 ft
Inlet Size 2 x 16/22mm
Dimension 12″ x 12.75″ x 23″

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Catsdad
Roscarberry

3. Eheim Pro 4+ 250 Canister Filter

Eheim Pro 4+ 250 Canister Filter

  • Pro4+ filter replaces the EHEIM Pro 3 range
  • This new filter doesnt just boast a new sleek black color but it also has a Range Xtender Function
  • As with most EHEIM filters, the Pro4+ comes complete with filter pads and media and all installation equipment

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SaltwaterAquarium.com

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Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 10 x 10 x 14 inches; 12 Pounds
Country of Origin Germany
Item Package Dimensions L x W x H 15.8 x 12 x 9.6 inches
Item Dimensions LxWxH 10 x 10 x 14 inches
Target Audience Keyword Freswhater, Aquariums, Fish, Reefs
Age Range Description All stages
Included Components All

4. Oase BioMaster Thermo 250 External Filter

Oase BioMaster Thermo 250 External Filter

  • Sealed filtration pathways – Allows for the full benefits of all four stages of filtration through this intuitive design
  • Adjustable flow control – Flow can be adjusted for the inlet and outlet in multiple locations on the filter assembly
  • Easy priming – Includes simple priming for fast and easy startup and continued operation
  • Quiet operation – Sound dampening design
  • What’s in

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Specifications

Details
Dimensions 9.4 x 9.4 x 14.6 in.
Net Weight 11.5 lbs.
Rated Voltage 120V / 60 Hz
Power Consumption of the Filter 15 Watts
Power Consumption of the Heater 150 Watts
Power Cord Length 6 ft.
Max. Flow Rate 250 GPH
Max. Head Height 5.6 ft.
Connection 5/8 in. ID
Tubing Length 13 ft.
Filter Volume 1.2 Gallons
Pre-filter Volume 0.11 Gallons
Suitable for Max. Aquarium Volume 70 Gallons

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UsRealm
Disappointed1879

5. Eheim 2217 Classic External Canister Filter

Eheim 2217 Classic External Canister Filter

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petocart.com
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Details
Is Discontinued By Manufacturer No
Product Dimensions 11 x 8 x 16 inches; 1 Pounds
Item Package Dimensions L x W x H 15.8 x 11.1 x 8.3 inches
Item Dimensions LxWxH 11 x 8 x 16 inches
Target Audience Keyword Fish
Directions Use as directed on package
Specific Uses for Product Indoor

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Chokes
Guppy

6. Eheim Classic 150 Canister Filter 2211

Eheim Classic 150 Canister Filter 2211

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Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 6 x 4.33 x 11.42 inches; 3.25 Pounds
Item Package Dimensions L x W x H 14.53 x 7.01 x 6.46 inches
Item Dimensions LxWxH 6 x 4.33 x 11.42 inches
Target Audience Keyword Fish
Country of Origin United States
Age Range Description All stages
Included Components All

7. Aquael Pat Filter Mini Aquarium Filter Silver

Aquael Pat Filter Mini Aquarium Filter Silver

  • 400 litres per hour of circulation
  • Only 4 Watt power consumption
  • Includes nozzle for oxygenation

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Animal Fish

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jeahedge_0
missloopy73
Laura E

8. Aquael 102368 Aquarium Filter Silver

Aquael 102368 Aquarium Filter Silver

  • Filter thuis.
  • Nominaal vermogen: 4,2 W.
  • Maximale Debiet: 260 l/u.

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Capacity intervals Less than 50L, 50L – 100L

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swooller.2012
bjandthebonsai

9. Eheim Pre Filter

Eheim Pre Filter

  • Traps coarse dirt particles in the filter baskets avoiding premature clogging of the external filter media
  • This means the biological decomposition process in the external filter is significantly lengthened and service intervals are longer
  • All round suction for a gentler filtration

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Aquarium Capacity Up to 800 L

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MLClark
dark1825
wupt9166

10. Tetra Filter Cartridges – Unassembled Original Large, 12-Count

Tetra Filter Cartridges - Unassembled Original Large, 12-Count

  • The Whisper Bio-Bag multi-packs come unassembled and offer economical pricing on larger quantities
  • Three stage filtration

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moonchuddies
MarieJane22

11. Aqueon QuietFlow Filter Cartridge Large 12 Pack

Aqueon QuietFlow Filter Cartridge Large 12 Pack

  • Fits Aqueon QuietFlow Filter: LED PRO Size 20 & up and E Internal 40 gallon
  • Ready-to-use cartridge contains high quality activated carbon that keeps water clean, rinse before replacing
  • Installs in seconds: align cartridge bottom key slot for an accurate fit inside the Filter
  • For optimal performance, change approximately every 4 to 6 weeks
  • Do not clean Bioholster when replacing the cartridge as it contains beneficial biological bacteria

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Product dimensions 5.5×8.6×7.7 inches

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NonnaK65
Stormin Norman
Laurenk111

12. Dennerle Nano Corner Filter

Dennerle Nano Corner Filter

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marineandreef.com

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Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 7.68 x 3.94 x 2.36 inches; 7.83 Ounces
Item Package Dimensions L x W x H 7.72 x 4.02 x 2.48 inches
Item Dimensions LxWxH 7.68 x 3.94 x 2.36 inches
Target Audience Keyword Fish
Directions For aquarium used only
Included Components One corner filter and kits
Specific Uses for Product Indoor

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987jmk
rabbitstu46
drux1990

13. Aqueon 06417 Filter Cartridge, Small, 12-Count

Aqueon 06417 Filter Cartridge, Small, 12-Count

  • mechanical, chemical, biological and wet/dry.
  • for the cleanest, clearest, healthiest water.

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Details
Animal Type Fish

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andyben92
woowee
Live and learn

14. Aquael 113612 Indoor Aquarium Filter Silver

Aquael 113612 Indoor Aquarium Filter Silver

  • Aquariumgrootte max: ca. 150 liter debiet: 500 l/u. Verbruik: 5 W Voltage: 220 V, 50 Hz.
  • Afmetingen: 65 x 50 x 185 H mm.
  • Incl. biologische spons incl. pomp incl. wateruitloop 180° verstelbaar.

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Capacity intervals 300l/h – 1000l/h

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striking8
alvin.137

15. Eheim Ecco Pro Easy External Canister Filter

Eheim Ecco Pro Easy External Canister Filter

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Specifications

Details
Recommended Room Kitchen
Piece Count 1
Count Per Pack 1
Global Brand License Eheim
Multipack Quantity 1
Animal Type Dog
Count 1

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garry242
Mike G
Richard T

16. Eheim Classic 600 Canister Filter 2217

Eheim Classic 600 Canister Filter 2217

  • water circulation and oxygen enrichment
  • resulting in optimum conditions for successful aquarium keeping
  • with 3-6 month maintenance intervals

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17. Eheim Canister Filter – Ecco Pro 300

Eheim Canister Filter - Ecco Pro 300

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18. AquaTech EZ-Change Aquarium Filter Replacement Cartridge 5-15 Power Filters 6-pa

AquaTech EZ-Change Aquarium Filter Replacement Cartridge 5-15 Power Filters 6-pa

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Kriston
lorenmammenga

19. Tetra EX 800 Plus External Filter Set for Aquariums

Tetra EX 800 Plus External Filter Set for Aquariums

  • Internal: N
  • Aquarium capacity (min): 100 L
  • Aquarium capacity (max): 300 L
  • Easy to clean: Y

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relayer2001
sandrboeckel_0
aquaadi

20. Tetra EX1200 Plus Canister Filter

Tetra EX1200 Plus Canister Filter

  • Aquatic external filter
  • Produces water that is safe for fish and crystal-clear, providing a fascinating insight into aquarium life
  • Offered as a complete set with filter materials that are quick and easy to clean, for quick and easy activation
  • Exceptionally powerful and quiet
  • Features a suction aid to kick-start the filter and valves to accurately control the water for cleaning purposes

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Specifications

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dimensions 28 x 35.5 x 46.5 cm

Conclusion

There are many different types of canister filters for 125 gallon aquariums, so it is difficult to say which one is the best. However, each canister filter has its own set of pros and cons, so it is important to do your research before purchasing one.

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