5 Best Filters for 5 Gallon Small Fish Tanks (2024)

Lauren Kiekbusch
the Best Filters for 5 Gallon Small Fish Tanks

Small tanks require much more filtration than larger tanks because low quantities of water always get toxic much fast than high quantities of water.

So the filter is a must-need in your small aquarium to remove excess food, decaying organic matter, free-floating particulate, dangerous chemicals, and the waste products of the fish from the water.

In this article, we’ll help you find a good quality filter for your 10-gallon fish tank that will remove. So, let’s start with the question: What things need to remember before buying a new aquarium filter?

The filtration flow rate is an essential factor to consider. It is recommended that the flow rate be at least four times the capacity of your fish tank. If you have a 5-gallon tank, for example, you’ll want a filter with a flow rate of around 20 GPH.

The second factor to consider is the amount of water produced in a reasonable amount of time.

Another essential discoloration creeps factor to consider is the number of filtration stages. Always make sure at least three stages of filtration, including mechanical, biological, and chemical.

Also worth reading;

  1. The Best 5-Gallon Aquarium Kits (Updated 2024)
  2. 8 Best Canister Filters For Turtles Aquarium (Updated 2024)
  3. 10 Best Small Aquarium Filters for Betta Fish (2024)

5 Best Filters For 5 Gallon Small Fish Tanks

We have listed the top best products that are available on the market. So go through the list, and you’ll find the information in detail in this article very useful.

Best Filters For 5 Gallon Small Fish Tanks

Product nameSpecificationAvailable
MarineLand Penguin Bio-Wheel Power Filter
  • Product Dimensions ‏ : ‎ 5.5 x 5.5 x 8 inches; 1.65 Pounds
  • Item model number ‏ : ‎ PF0100B
  • Department ‏ : ‎ Filters
  • Date First Available ‏ : ‎ June 20, 2004
  • Manufacturer ‏ : ‎ Marineland
Aqueon Quietflow E Internal Power Filter
  • Product Dimensions ‏ : ‎ 2.25 x 4.5 x 6.5 inches; 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; 1.79 Pounds
  • Item model number ‏ : ‎ 78000
  • Date First Available ‏ : ‎ February 6, 2017
  • Manufacturer ‏ : ‎ Tetra
AquaClear Hagen Power Filter
  • Product Dimensions ‏ : ‎ 4.5 x 7 x 6.5 inches; 1.4 Pounds
  • Item model number ‏ : ‎ A595
  • Date First Available ‏ : ‎ June 20, 2004
  • Manufacturer ‏ : ‎ Rolf C. Hagen (USA) Corp.
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. MarineLand Penguin Bio-Wheel Power Filter

The Penguin Power Filter from Marineland is ideal for beginners or someone who has previously owned an aquarium. It comes in four different sizes, and the current model will fit aquariums ranging from 5 to 10 gallons aquarium.

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. Its mechanical filtration removes dirt particles, while its chemical filtration removes odors and discoloration from your 5-gallon aquarium. 

So, if you want to keep your aquarium water quality and level balanced for a long time, this filter is ideal for a 5-gallon tank.

Its bio-wheel technology provides a rich, oxygenated surface area, which is beneficial to bacteria growth. On the other hand, if your water level falls too low, it can act as an alarm to consider you.

Main Features

  • Filter with three stages of power.
  • Simple to clean and maintain.
  • Long-lasting and tough.
  • Rite-size cartridges are included.
  • It moves quietly.

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

2. 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.

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.

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

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

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.

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.

3. 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.

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, and the upgraded materials ensure the filter’s longevity.

Its StayClean filtration system is simple to use and 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.

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.

4. 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.

It is appropriate for all nano-aquariums and can be used for your 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.

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.

These models are an 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.

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 be bothering you: The waterfall noise is produced by this filter.

5. 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.

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.

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, and it runs as quietly as AquaClear.

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.

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 bother you: It lacks a bio-falls filtration system.

Frequently Asked Questions

How many fish can I have in a 10-gallon tank?

Aim for a tiny fish per gallon of water at first, adding them in small groups every couple of weeks. You should be able to keep two neon-tetra-size fish per gallon once the aquarium has matured and your skills have been honed.

How many hours should the aquarium filter run?

The flow of water through the filter is what keeps your fish safe in the water. An aquarium filter should filter all of the water in the tank at least three times per hour. It is too small if it does not.

Should I turn off the filter when feeding fish?

If your filter pushes water downwards, it may be good to turn it off during feeding to avoid food sucked.

Final Words

Since you have a 5-gallon tank, a filter is a must; otherwise, your fish can not thrive for a long time. Don’t forget to check the quality. 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 filters, and we hope in this article we provided you with the right products that can give your aquarium-friendly water for a long time.

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