10 Best Small Aquarium Filter for Betta Fish (2023)

Although purified water can be helpful for various purposes, it is not suitable for use in your betta fish tank unless you supplement it with nutrients, minerals, and pH-balancing chemicals.

To purify the water filter will be the best option, cleans the water of debris, removes toxic ammonia and nitrate formation, and oxygenates the water so your fish can breathe. If you do not do this, your betta will not thrive and may even die.

This article will show you the best small aquarium filter for your betta fish, which will help keep the water in your betta fish tank balanced.

So, let’s start with the question: What should be considered before buying an aquarium filter?

The filtration flow rate is an important consideration. Find a filtration system with an adjustable flow because delicate plants or corals require a flow rate. If you have these two types, you should think about the filter flow rate.

The amount of water produced in a reasonable amount of time is the second factor to consider. Another important consideration is the number of filtration stages.

A good filter should have at least three filtration stages, including mechanical, biological, and chemical filtration. Now, my friend, we are just getting started. 

Also worth reading;

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  4. Best Filter for 20-Gallon Aquariums [5 Best of Them]

Top 10 Best Small Aquarium Filters for Betta Fish

We have listed the top 10 best small-size aquarium filters that are available on the market. So go through the list, and you’ll find the information in detail in this handyAquarium. It uses. The article, Aquarium.

best small filters for betta

Product nameSpecificationAvailable
AQUA-TECH Power Filter for Aquariums
  • Package Dimensions ‏ : ‎ 8.15 x 8.11 x 6.02 inches
  • Item weight: 2.2 Pounds
  • Item model number ‏ : ‎ AQ-78264WM
  • Date First Available ‏ : ‎ October 2, 2020
  • Manufacturer ‏ : ‎ Spectrum Brands Pet
Fluval C2 Series Power Filter
  • Product Dimensions ‏ : ‎ 8 x 7.5 x 5 inches
  • Item weight: 1.57 Pounds
  • Item model number ‏ ‎ 14001A1
  • Date First Available: ‎ August 19, 2004
  • Manufacturer: ‎ Fluval
GRECH CBG-800 5W UV Sterilizer Hang-On Back Filter
  • Product Dimensions ‏ : ‎ 9.5 x 6.8 x 7.5 inches
  • Item weight: 1.1 Pounds
  • Item model number: ‎ CBG-800
  • Date First Available: ‎ October 6, 2016
  • Manufacturer: ‎ Ming Trading LLC
MarineLand Penguin Bio-Wheel Power Filter
  • roduct Dimensions ‏ : ‎ 5.5 x 5.5 x 8 inches
  • Item weight: 1.65 Pounds
  • Item model number ‏ : ‎ PF0100B
  • Department ‏ : ‎ Filters
  • Date First Available ‏ : ‎ June 20, 2004
  • Manufacturer ‏ : ‎ Marineland
AquaClear Hagen Power Filter
  • Product Dimensions ‏ : ‎ 4.5 x 7 x 6.5 inches; 
  • Item weight: 1.4 Pounds
  • Item model number ‏ : ‎ A595
  • Date First Available ‏ : ‎ June 20, 2004
  • Manufacturer ‏ : ‎ Rolf C. Hagen (USA) Corp.
Aqueon Quietflow E Internal Power Filter
  • Product Dimensions ‏ : ‎ 2.25 x 4.5 x 6.5 inches; 
  • Item weight: 12 Ounces
  • Item model number ‏ : ‎ 100106991
  • Date First Available ‏ : ‎ March 26, 2017
  • Manufacturer ‏ : ‎ Central Garden & Pet
Whisper IQ Power Filter for Aquariums
  • Product Dimensions ‏ : ‎ 6 x 5.5 x 9 inches; 
  • Item weight: 1.79 Pounds
  • Item model number ‏ : ‎ 78000
  • Date First Available ‏ : ‎ February 6, 2017
  • Manufacturer ‏ : ‎ Tetra
Tetra Whisper Power Filter 10 Gallons, Quiet 3-Stage aquarium Filtration
  • Product Dimensions ‏ : ‎ 4.25 x 6 x 7.06 inches
  • Item weight:  1.06 Pounds
  • Item model number ‏ : ‎ 26316
  • Department ‏ : ‎ Filters
  • Date First Available ‏ : ‎ August 1, 2004
  • Manufacturer ‏ : ‎ Tetra
Marina S10 Power Filter
  • Product Dimensions ‏ : ‎ 3.7 x 7.3 x 6.5 inches
  • Item weight:  1.23 Pounds
  • Item model number ‏ : ‎ A285
  • Date First Available ‏ : ‎ December 30, 2009
  • Manufacturer ‏ : ‎ Marina
Penn-Plax Cascade Hang-on Quad Filtration System
  • Product Dimensions ‏ : ‎ 3.5 x 5.2 x 4.8 inches
  • Item weight: 11.2 Ounces
  • Item model number ‏ : ‎ CPF6
  • Date First Available ‏ : ‎ June 22, 2015
  • Manufacturer ‏ : ‎ Penn Plax, INC.

1. AQUA-TECH Power Filter for Aquariums

This Aqua-Tech model is an excellent hang-on filter option. It is designed for tanks ranging in size from 10 to 30 gallons and uses three filtration steps to remove debris and impurities.

We think it’s pretty impressive that it can filter everything in a 10-gallon tank up to 6 times per hour. It should not be used for anything else, regardless of how small or large.

The Aqua-Tech power filter is suitable in this case because it provides biological, chemical, and mechanical filtration. 

The first mechanical stage removes large partridges, and the second chemical stage removes odor and discoloration. The and any other impurities in the tank water. Finally, the biological stage removes toxic elements from the water, resulting in clear water.

The aqua-tech ultra-quiet power filter makes aquatic filtration simple with an impeller and motor assembly designed for efficient power and designed to fit standard aquarium hoods and canopies.

Aqua-Tech products make aquarium maintenance simple, resulting in a clean and appealing aquatic environment.

Main Features

  • Filtration in three stages.
  • Exceptional flow rate.
  • Simple to maintain and install.
  • Maximum contact between water and carbon.
  • It includes two filter cartridges.

The things that might be bothering you: It does not filter as much water as older AquaTech filters.

2. Fluval C2 Series Power Filter

The Fluval C Power Filter achieves excellent results thanks to its 5-stage filtration system. Fluval C power filters are self-priming and have an LED indicator that tells you when to change the polyfoam.

The media must have a large surface area and optimal dwell times to ensure an effective filtration process. Beneficial bacteria will thus be preserved one stage at a time, resulting in a stress-free environment.

Maintaining only one stage at a time preserves beneficial bacteria, resulting in a stress-free environment and clear aquarium water.

The motor is long-lasting and extremely quiet, and the impeller is protected from debris that could damage it.

Fluval C power filters have always been a good choice due to their low maintenance requirements, and the majority of them are now simple to clean and maintain. You’ll also find a cleaning indicator, which tells you when it’s time to clean out your mechanical stages.

Main Features

  • Water is purified through a five-stage filtration process.
  • It is simple to clean.
  • Customization of media is possible.
  • Longevity is exceptional.
  • The intake tube is telescopic.
  • Allows you to change the flow rate of the water.

The things that might be bothering you; The mechanical filter stage will get used up quickly, and you have to clean it in a short period.

3. GRECH CBG-800 5W UV Sterilizer Hang-On Back Filter

This filter is suitable for use in any fish tank with a capacity of 10 to 50 gallons of water. It is not intended for use with any specific species of fish. The GRECH CBG-800 is a good option for this filter because it can be hung on the back of an aquarium.

This filter has two stages of filtration: mechanical and biological. Mechanical filtration removes debris from the tank. Biological filtration keeps healthy bacteria in the tank that remove toxins from the water.

The UV Sterilizer helps eliminate algae, maintain clear aquarium water, and protect aquatic animals from free-floating parasites. The CBG-Series also includes a 5W UV Sterilizer that can be turned on and off.

The maintenance is straightforward, and when it’s running, it makes very little noise, allowing you to sleep while cleaning the water.

Main Features

  • With a surface skimmer, the filter flow rate can be adjusted to 211gph.
  • A 5W UV sterilizer aids in the removal of algae and bacteria.
  • Suitable for tanks ranging from 20 to 50 gallons.
  • The filtration system is both mechanical and biological.
  • Installation is simple, with a hang-on-the-back design.
  • While the filtration system cleans the tank, it operates quietly to produce as little noise as possible.

The things that might be bothering you; Surface skimmers may irritate creatures that prefer to stay close to the water’s surface.

4. MarineLand Penguin Bio-Wheel Power Filter

The Marineland Penguin Power Filter is ideal for beginners or those who have previously owned an aquarium. It is available in four sizes, with the current model suitable aquariums ranging from 10 to 20 gallons.

Its bio-wheel technology creates a rich, oxygenated surface area that promotes bacterial growth. This filter has three stages of filtration that remove ammonia and nitrate from the water, keeping it clean, clear, and healthy for plants and fish while keeping the water quality and level balanced in your aquarium for a long time.

Its mechanical filtration removes dirt particles from your 10-gallon aquarium, while its chemical filtration removes odors and discoloration.

This filter also has an alarm built-in so that if your water level falls too low, it will notify you. Maintaining an adequate water level in your tank is also essential to ensure that your Penguin Power filter runs quietly and efficiently.

Main Features

  • Filter with three stages of power.
  • Simple to clean and maintain.
  • Long-lasting and tough.
  • Rite-Size Cartridges are included.
  • It creeps any other impurities in the tank water. 

The things that might be bothering you: When the water level is low, it can make a loud noise.

5. AquaClear Hagen Power Filter

The AquaClear has up to six times the internal space for filter media as comparable brands. For specific problems such as high ammonia or carbonates, you can use custom media in addition to your standard options.

These models are the innovative, high-quality hanging filter that provides highly efficient biological, mechanical, and chemical water purification in your aquarium while also acting as an ideal habitat for fish.

Additionally, it provides superior mechanical, chemical, and biological filtration.

The filter maintains the life of beneficial bacteria, resulting in a stress-free environment for the fish. A healthy aquarium requires the presence of “beneficial” bacteria for the removal of toxic ammonia and nitrite.

It is appropriate for all nano-aquariums and can be used for your own comfort as well as the safety of your aquarium pets. You don’t have to be concerned about its upkeep because installation and maintenance are quick, simple, and convenient.

Main Features

  • Filter that is both innovative and of high quality.
  • It purifies water in three ways: biologically, mechanically, and chemically.
  • It can be used in both freshwater and marine aquariums.
  • It keeps beneficial bacteria alive in a stress-free environment.
  • It’s ideal for a nano-aquarium.
  • Power regulator that is easy to use.

The things that might bother you; The waterfall noise is produced by this filter.

6. Aqueon Quietflow E Internal Power Filter

The Aqueon Quietflow E Internal Power Filter is well-organized. It’s pretty slim, allowing it to be placed at the back of the fish tank. This stylish filter cleans the aquarium water quickly.

In this design, filtration is accomplished through biological, chemical, and mechanical means. Biological filtration removes ammonia and nitrite, toxic to aquatic animals. It helps the system deal with debris and particles in the water. 

It maintains a stable nitrite and toxic ammonia in the fish tank and prevents odors and discoloration.

When running, the motor is gentle and quiet. To be used with either frameless or framed aquariums. Suction cups or clips to attach and hang on the aquarium rim make it simple to position.

The auto-start pump does not need priming and will restart if an electrical break-out occurs. They are more effective when positioned vertically rather than horizontally.

Main Features

  • The installation process is simple.
  • Set up a three-tiered filtration system.
  • If power is lost, the computer will automatically restart.
  • Efficient quality.
  • Simple to use and clean.

The things that might be bothering you; It does not clean as quickly as other models.

7. Whisper IQ Power Filter for Aquariums

This filter is a good choice if you want a quiet and effective filtration system for your tank. This model is designed to fit snugly in your aquarium. When you take the filter out of the box, you will find it assembled and ready to use.

Its StayClean filtration system is simple to use. It keeps fish healthy by removing toxic ammonia and nitrites while encouraging beneficial bacteria growth.

Its three stages of filtration remove small dirt particles, making them easier to filter and stabilize pH levels, preventing crashes, and making aquarium maintenance easier for you.

If you keep your aquarium in a quiet room, you probably won’t notice. You don’t have to be concerned about efficiency or maintenance because this is a well-made filter that is extremely quiet, highly efficient, and simple to maintain.

The motor is protected by a sound barrier and vibration-dampening technology, allowing it to run quietly. The upgraded materials ensure the filter’s longevity.

Main Features

  • Quiet filtration is achieved through the use of a sound shield.
  • The submerged motor starts up without the need for priming.
  • Maintain a healthy pH balance.
  • Bacterial preservation is made more accessible, resulting in healthier fish.
  • Filter cartridges of large sizes are used.

The things that might be bothering you; Biological filter media built with low-quality.

8. Tetra Whisper Power Filter 10 Gallons, Quiet 3-Stage Aquarium Filtration

Tetra whisper in-tank filter operations are extremely quiet. It is one of the best aquarium filters on the market for fish tanks ranging from 10 to 20 gallons.

It can handle about 30 gallons per hour, which isn’t great for a large aquarium, but it has much potential for a small one.

The Tetra Whisper Filter is a three-stage filtration unit with a 90 GPH flow rate that includes mechanical, chemical, and biological filtration to remove solid debris, ammonia, nitrates, nitrites, and other toxins, colors, and odors. Despite having a small filter, it has a pretty good filtration capacity.

This filter uses medium Bio-Bag filter cartridges to keep your aquarium water clean and clear. The ready-to-use cartridges are simple to replace, allowing you to enjoy low maintenance for as long as you use the filter.

Main Features

  • It is simple to install and maintain.
  • Ideal for a small fish tank.
  • It’s quiet and cheap.
  • In general, they are dependable and long-lasting.
  • The flow rate is adjustable.

The things that might be bothering you: Filtration media’s quality is not much good as our expectation.

9. Marina S10 Power Filter

The Marina Filter is one of the better options for small 10-gallon fish tanks, in our opinion. It’s designed to be slim and compact, so it doesn’t take up too much space on the tank’s interior, which is ideal if you’re using a smaller tank.

Because this unit includes 2 Bio Carb and 1 Bio Clear filter cartridge, you can be assured of excellent biological filtration of your tank water.

The clear bio cartridge absorbs toxic ammonia, which helps to reduce fish stress. The biocarbon cartridge contains carbon, which helps to remove pollutants and odor from the water.

This filter can quickly process 30 to 40 gallons of water per hour, which is adequate for a small tank. The flow rate is adjustable, so you can adjust the flow, and it is convenient because there is no need to prime yourself.

It will run on its own. You don’t have to be concerned about installation or maintenance because it is simple.

Main Features

  • The operation is quiet.
  • This is more than enough for a 10-gallon tank.
  • There is space for four different types of media.
  • There are two types of bio-media included.
  • It doesn’t take up much room inside the tank.
  • Self-priming.
  • Simple to use and maintain.
  • The flow rate is adjustable.

The things that might be bothering you; The motor is not designed for long-term use.

10. Penn-Plax Cascade Hang-On Quad Filtration System

Penn Plax Cascade is a quadruple filtration hang-on back power filter. It has a self-priming intake tube, and aquarium owners can easily adjust the filtration while feeding them.

Its three decisive filtration stages remove ammonia, discoloration, chemicals, and nitrite, ensuring that the fish have a healthy habitat. It also provides a suitable surface area for anaerobic bacteria to grow, which benefits the tank’s inhabitants.

This filter has a high flow rate of 300 GPH and an easily adjustable rate, which helps prevent food from being sucked into the intake. It runs as quietly as the AquaClear.

This filter moves water at 20 gallons per hour (GPH) for tanks up to 7 gallons in capacity. The disposable cartridges make aquarium maintenance simple and easy.

Main Features

  • Filtration is in three stages, with a separate compartment for the biological stage.
  • Silently operates
  • Simple to set up and use
  • Produced by a reputable company
  • It has excellent quad filtration.

The things that might be bothering you; It lacks a bio-falls filtration system.

Frequently Asked Questions

Do Bettas like sponge filters?

Sponge filters are ideal for safe and gentle filtration, such as in a fry tank where young fish may be sucked into the intake of standard filters. Sponge filters are also beneficial to fish species that do not thrive in strong currents, such as bettas.

Can I turn my betta filter off at night?

The betta tank filter should not be turned off at night. The filter should be running 24 hours a day, seven days a week, or the beneficial bacterial colony will die. The filter can only be turned off during tank maintenance.

Can I turn my betta filter off at night?

The betta tank filter should not be turned off at night. The filter should be running 24 hours a day, seven days a week, or the beneficial bacterial colony will die. The filter can only be turned off during tank maintenance.

Can betta fish survive without a filter?

Betta fish are frequently sold without an aquarium filter due to their ability to live in smaller tanks or bowls. Betta fish can live without a filter, but using a filter for your betta, such as a sponge filter, will help maintain healthier water conditions and prevent disaster.

What does betta fish like in their tank?

Bettas require filtration, warm water, enrichment such as plants and caves to explore, as well as routine feeding and tank cleaning. Many fish tanks available for purchase, including this fish tank in a stuffed animal, are far too small to keep a fish happy.

        Final Words

        Betta fishes can thrive in an aquarium without a filter. Still, you can give your betta fish different extra quality by adding a filter. Now it is your time to choose that can serve the best result.

        Our recommendation is before choosing any filter, you must ensure that the filter you choose has appropriate filtration media and a reasonable flow rate for your fish.

        Today we talked about the best small-size filters. We hope in this article that we provided you with the right products to give your aquarium-friendly water for a long time.

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