Best Internal Fish Tank Filter (2024 Update)

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If you’re looking for a reliable and effective way to keep your fish tank clean, an internal filter is a great option to consider. Unlike external filters, internal filters are placed inside the tank, making them easy to maintain and less noisy. But with so many options available on the market, how can you find the best internal fish tank filter for your needs?

Before buying an internal filter, there are several factors you need to consider. One of the most important is the size of your fish tank. You need a filter that is powerful enough to handle the size of your tank without being too noisy or bulky. You should also think about the types of fish you have and their specific needs. Some fish, for example, require more oxygen than others and need a filter that can provide plenty of aeration.

To help you find the best internal fish tank filter, ask yourself some important questions. Do you need a filter that is easy to install and maintain? Do you want a filter that is energy-efficient to save on electricity costs? How important is noise level to you? By thinking about these factors, you can narrow down your options and find the perfect internal filter for your fish tank.

10 Best Internal Fish Tank Filter

# Product Image Product Name Product Notes Check Price
1
Ideal for ultra-silent filtration in small aquariums ranging from 1 to 10 gallons, backed by a 1-year warranty.
2
Ideal for filtering and circulating water in aquariums ranging from 10-50 gallons.
3
Ideal for keeping small aquariums clean and clear by providing efficient filtration and water circulation.
4
This aquarium filter with water pump is ideal for fish tanks up to 35 gallons in size.
5
The product is ideal for filtering and purifying water in fish and turtle tanks, both in fresh and saltwater environments.
6
Ideal for filtering and providing clean water in aquariums and turtle tanks ranging from 40 to 120 gallons.
7
Ideal for cleaning and polishing aquarium water, suitable for aquariums up to 97 gallons in size.
8
Ideal for filtering and aerating small fish tanks with a capacity of 5-10 gallons.
9
The product is ideal for filtering water in small aquariums with a capacity of up to 3 gallons.
10
It is ideal for freshwater aquariums up to 20 gallons in size, providing powerful and quiet filtration.
Ideal for ultra-silent filtration in small aquariums ranging from 1 to 10 gallons, backed by a 1-year warranty.
Ideal for filtering and circulating water in aquariums ranging from 10-50 gallons.
Ideal for keeping small aquariums clean and clear by providing efficient filtration and water circulation.
This aquarium filter with water pump is ideal for fish tanks up to 35 gallons in size.
The product is ideal for filtering and purifying water in fish and turtle tanks, both in fresh and saltwater environments.
Ideal for filtering and providing clean water in aquariums and turtle tanks ranging from 40 to 120 gallons.
Ideal for cleaning and polishing aquarium water, suitable for aquariums up to 97 gallons in size.
Ideal for filtering and aerating small fish tanks with a capacity of 5-10 gallons.
The product is ideal for filtering water in small aquariums with a capacity of up to 3 gallons.
It is ideal for freshwater aquariums up to 20 gallons in size, providing powerful and quiet filtration.

1. Ultra-Silent 3w Aquarium Filter With Warranty

Introducing the DaToo Aquarium Filter – the perfect solution to creating a clean and healthy environment for your beloved fish. With its strong horsepower and waterfall type water flow, this filter ensures round-the-clock cleanliness for your aquarium.

The DaToo Filter boasts powerful filtering capabilities to effectively remove harmful impurities and odors from your fish tank. Its enhanced filter cartridge with activated carbon can absorb impurities in water, and the large filter space allows for additional filter materials such as biochemical balls and carbon bags to be added as needed, increasing filtration capacity by 2 to 3 times.

Worried about noise disturbances? The DaToo Aquarium Filter is ultra-quiet, with a noise reduction design that ensures your fish can rest peacefully without any irritations or sickness.

Safety is also a top priority. The DaToo Aquarium Filter is made with high-quality, sturdy, and BPA-free plastic, ensuring a safe and healthy environment for both you and your lovely fish. Its super energy-efficient design consumes only 2KWH of electricity per month, which means you can enjoy substantial savings on your electricity bill.

Versatile and functional, the DaToo Aquarium Filter is suitable for aquarium tanks ranging from 1 to 10 gallons, and can even function in as little as 1.5 inches of water, making it perfect for turtle tanks as well. With its ability to create a waterfall inside the tank, the DaToo Aquarium Filter adds an aesthetic touch to your aquarium setup. (Note: Please ensure that the water level exceeds the inlet).

Say goodbye to worries about your fish tank's cleanliness and hello to a clean and healthy environment for your beloved fish with the DaToo Aquarium Filter.

2. Adjustable Submersible Aquarium Filter – 8w

The Fish Tank Internal Filter is a reliable system that creates a clean and fresh living environment for your beloved fish. With 8 watts of power, it is suitable for large aquariums that hold 10-50 gallons of water. The adjustable 200 GPH water pump has a maximum flow rate of 800L/H and can lift up to 3.28 feet. The power cord is 1.6 meters (5.25 feet) long, providing flexibility in positioning the filter.

This water pump is designed for ultra-quiet operation and reliability, and it comes with a key that allows you to adjust the flow rate to your desired level. The package includes two nozzles that you can choose from to clean and freshen your aquarium. This ensures that your fish or turtle has a clean and fresh environment to live in.

The filter comes with multiple filter media for all filtration purposes, ensuring that your aquarium remains free of harmful contaminants. This means that your fish or turtle will enjoy a healthy and safe environment.

In addition, the product comes with a 180-day warranty. If any quality problems arise during the guaranteed period, the company will maintain the product for free.

3. Aqueon Submersible Internal Aquarium Filter, At10 Gallons

Looking for a compact and efficient filtration system for your aquarium, paludarium, or vivarium? Look no further than the Aqueon Small Internal Filter. This fully submersible and self-priming filter is perfect for smaller aquariums or shallow water setups.

The Aqueon Small Internal Filter features a directional return pipe that allows for vertical or horizontal placement, making it easy to customize to your specific needs. It also boasts a three-stage filtration system that includes dense foam for particles and debris, activated carbon for toxins, odors, and discoloration, and a patented BioGrid for ammonia and nitrites. This ensures that your aquatic or semi-aquatic pets have clean and healthy water to thrive in.

With a flow rate of up to 55 gallons per hour, the Aqueon Small Internal Filter provides ample filtration power for tanks up to 10 gallons. And maintenance is a breeze – simply replace the cartridge every 30 days on average to keep your filter running smoothly.

4. Aquaflow Internal Filter & Pump – Up To 35gal

Introducing the Aquarium Internal Filter – the perfect solution to keep your aquatic life's habitat clean and beautiful. With its innovative shape and design, this filter offers excellent performance in maintaining the cleanliness of your aquarium water.

This powerful internal filter boasts a maximum flow rate of 80GPH (300L/H) and has dimensions of 1.5*1.1*5.3in (3.8*2.8*13.4cm). Its 4-watt filter is suitable for 1-20 gallon fish tanks, and the water flow can be easily adjusted according to your needs.

The Aquarium Internal Filter provides excellent filtration performance, effectively absorbing and eliminating grease and other dirt particles to ensure clean water. It is equipped to adapt to both biochemical and physical filtration, while also providing the necessary oxygen for your fish tank.

Installation is a breeze with this filter. Each filter comes with strong suction cups that allow for easy placement anywhere in your fish tank.

In the event that the motor is working, but there is no water flowing out of the spray bar or outlet, it may be blocked by the water entering the motor. The simple fix is to cut off the power, remove the motor, dry the water in the motor and accessories, and then reconnect the accessories. Once done, the filter can work perfectly again.

Invest in the Aquarium Internal Filter and ensure a clean and healthy environment for your aquatic pets.

5. Crystal Clear Sp7-Uv Aquarium Filter

The Aquatop submersible UV pump is a game-changer for aquarium owners looking for a healthier aquatic environment for their fish and turtles. This fully submersible aquarium filter comes equipped with a 7-watt UV bulb that ensures crystal clear water in your aquariums.

With its top-mounted pump, this fish tank accessory draws water in and runs it past the UV light, providing a superior filtration system for tanks up to 75 gallons. The adjustable flow rate of 72-126 gallons per hour is perfect for both fresh and saltwater use, making it a versatile tool for any aquarium enthusiast.

One of the most significant benefits of this Elite Series filter is its flexibility, enabling placement anywhere in your aquarium, sump tank, or water garden. Unlike other UV filtration systems that require special plumbing, this submersible filter is easy to install and maintain. Simply place it directly into your tank or sump system up to the waterline for easy installation.

The Aquatop submersible UV pump is an efficient and effective way to keep your aquatic life healthy and happy. Its superior filtration system ensures that your aquarium is free from harmful bacteria and other pollutants. With this innovative filter, your fish and turtles can enjoy a clean and healthy environment they deserve.

6. Adjustable Power Filter For Fish & Turtles

This aquarium filter is constructed with high-quality materials including filter sponges and biochemical materials, making it highly efficient while consuming low power. Its 8-watt power is ideal for large aquariums ranging from 40-120 gallons.

One of the most impressive features of this aquarium filter is its silent operation. It is designed with a high-quality motor that ensures a quiet working environment, making it suitable for use even in a bedroom.

The filter's physical filtration system is equipped with multiple filter media, including sponges and biochemical materials, which automatically absorb feces, debris, and residues in the water. This feature helps create a healthy and clear environment for your fish or turtle.

With a maximum flow rate of 132 GPH (500L/H) and a maximum lift height of up to 2.30 feet, this filter provides heavy flow for better water circulation. It also comes with an adjustable water flow rate, making it suitable for both fresh water and saltwater aquariums.

The aquarium filter features a scientific structure that is detachable and cleanable without the need for any tools. This feature allows for easy replacement of the filter cartridge, ensuring that your aquarium is always clean and healthy for your aquatic pets.

7. Magnum Polishing Canister Filter For Aquariums

The Marineland Magnum Polishing Internal Canister Filter (Ml90770) is an excellent addition to any aquarium. With its submerged motor, it allows for quick and easy startup, making it an ideal choice for both novice and experienced aquarium owners.

This filter boasts versatile filtration capabilities, with two refillable chambers that can house carbon or customizable filter media, providing maximum flexibility in creating a filtration system that suits the unique needs of your aquarium.

The Marineland Magnum Polishing Internal Canister Filter also includes a high-efficiency micron cartridge, which ensures superior water polishing with its micron filtration capabilities. This cartridge is included with the filter, making it easy to achieve crystal-clear water in your aquarium.

This filter is designed for aquariums up to 97 gallons in size, and it's capable of filtering 290 gallons of water per hour. This makes it a reliable and efficient choice for larger aquariums.

The Marineland Magnum Polishing Internal Canister Filter is easy to install, and its compact design allows it to fit seamlessly into most aquarium setups. It comes with all the necessary components, so you can get started right away.

8. Nicrew 5w Sponge Filter For 5-10 Gallon Fish Tanks

The aquarium is an essential accessory for every fish enthusiast, and the product in question provides an excellent solution for maintaining a clean and healthy environment for the aquatic life. The filter is designed to deliver effective and thorough biological and chemical filtration, resulting in superior water quality in the aquarium.

The filter features activated carbon and fine filter foam that work together to trap debris and fish waste efficiently. Additionally, it absorbs odors, making the aquarium environment fresh and pleasant. The filter's ability to generate abundant air bubbles and water flow makes it optimal for oxygen supplement and water circulation in the aquarium.

The product is equipped with an adjustable air regulator that distributes a gentle flow of water, making it safe for delicate fish or shrimp. The regulator enables you to control the filter's performance, ensuring that it operates at the optimal level for your aquarium's needs.

The filter is easy to assemble and disassemble, making it convenient to clean and maintain. It comes with four suction cups for secure in-tank installation, ensuring that it stays in place while in operation. The product is suitable for both freshwater and saltwater tanks, making it a versatile option for aquarium enthusiasts.

9. Aqueon Quietflow E Internal Power Filter Extra Small – 3 Gallon

This water filter is an efficient and reliable solution for keeping aquarium water clean and clear. It has a simple and hassle-free installation process that can be completed using either the suction cups or hanging clips. Once installed, the auto-start pump eliminates the need for priming and will automatically restart if power is interrupted and then restored.

The filter features a replaceable carbon cartridge that provides chemical filtration, effectively removing any unpleasant odors and discoloration from the water. It is recommended to replace the filter cartridge every 4 weeks on average to maintain optimal performance.

This filter is designed to fit aquariums up to 3 gallons in size and uses Extra Small Aqueon Replacement Cartridges. With its reliable performance and easy maintenance, this water filter is an excellent choice for keeping small aquariums clean and healthy.

10. Aqueon Quietflow E Internal Power Filter Medium – 20 Gallon

Looking for an efficient and easy-to-use filter for your aquarium? Look no further than this top-rated filter from Aqueon.

With its powerful pump and advanced filtration system, this filter is designed to clean and filter water quickly and effectively. It's also incredibly easy to install, thanks to its suction cups and hanging clips.

The auto-start pump requires no priming, and will automatically restart if power is interrupted and restored. And on average, you'll only need to change the filter cartridge every 4 weeks – making maintenance a breeze.

This filter comes with everything you need to get started, including a carbon cartridge for chemical filtration, a bioholster for biological filtration, and a coarse media sponge for mechanical filtration. Together, these components work to remove odors, discoloration, toxic ammonia, and nitrites from your aquarium's water.

And with its medium size and ability to fit aquariums up to 20 gallons, this filter is the perfect choice for a wide range of aquariums. So why wait? Upgrade your aquarium with the Aqueon filter today and enjoy crystal-clear water in no time!

Best Internal Fish Tank Filter FAQs

Can an internal fish tank filter be used in a saltwater aquarium?

Yes, internal fish tank filters can be used in saltwater aquariums, but it's important to choose a filter that is appropriate for the size of your tank and the needs of your specific fish and coral. Internal filters can be beneficial in saltwater aquariums because they provide mechanical, biological, and chemical filtration. However, saltwater aquariums have unique requirements that differ from freshwater aquariums, such as the need for protein skimmers and live rock for biological filtration. So, it's important to research and choose a filter that will work well with your existing equipment and provide adequate filtration for a saltwater environment. Additionally, it's important to properly maintain and clean the filter to ensure it continues to function effectively and doesn't become a source of pollution in the tank.

How does an internal fish tank filter work?

An internal fish tank filter is a device that sits inside the aquarium and is designed to clean the water by removing debris, waste, and other harmful substances. The filter typically consists of a motor that powers a pump, which pulls water through a series of filter media, such as foam, ceramic rings, and activated carbon. As the water flows through the filter media, the media traps and removes impurities from the water.

The foam filter traps larger debris, such as uneaten fish food and fish waste, while the ceramic rings provide a home for beneficial bacteria that help break down harmful waste products into less harmful compounds. The activated carbon filter absorbs chemicals, toxins, and other impurities from the water, leaving it clean and clear.

The cleaned water is then returned to the aquarium through a spray bar or outlet, providing a gentle current that helps circulate the water and provides oxygenation for the fish and other aquatic life. An internal fish tank filter is an essential part of any aquarium setup, as it helps maintain a healthy and stable environment for the fish and other aquatic life.

How long do internal fish tank filters last?

The lifespan of internal fish tank filters can vary depending on several factors such as the quality of the filter, how often it is cleaned, the size of the aquarium, and the number of fish in the tank. Typically, internal fish tank filters can last anywhere from one to three years with proper maintenance. It is recommended to clean the filter every two to four weeks to prevent clogging and ensure optimal performance. If you notice a significant decrease in water flow or a buildup of debris, it may be time to replace the filter or its components such as the filter media or impeller. Regularly monitoring the filter's performance and replacing any worn out parts can help prolong its lifespan and maintain a healthy environment for your fish.

How often should I clean my internal fish tank filter?

It is recommended to clean your internal fish tank filter at least once a month. However, the frequency of cleaning may vary depending on the size of your tank, the number of fish, and the type of filter you are using. If you have a larger tank or a higher number of fish, you may need to clean the filter more frequently, possibly every two weeks. It is important to monitor the filter regularly and check for any signs of clogging or reduced flow rate, as this can affect the quality of the water in your tank and harm your fish. When cleaning the filter, make sure to follow the manufacturer's instructions and use aquarium-safe cleaning products to avoid harming the beneficial bacteria in the filter. Additionally, it is recommended to rinse the filter media in aquarium water rather than tap water to ensure that you do not remove the beneficial bacteria that has built up over time.

What are the features of the best internal fish tank filter?

The best internal fish tank filter should have several features to ensure that your aquarium stays clean and healthy. Firstly, it should have a good filtration system that includes mechanical, biological and chemical filtration. Mechanical filtration removes debris and waste from the water, while biological filtration helps to break down harmful toxins and chemicals. Chemical filtration removes impurities from the water.

The filter should also have an adjustable flow rate to ensure that it is not too powerful for your fish. Additionally, it should be easy to install and maintain, with simple instructions and replacement parts readily available.

A good internal fish tank filter should be quiet, so it doesn't disturb your fish or the tranquility of your home. It should also be energy-efficient, so it doesn't run up your electricity bill. Finally, it should be durable and long-lasting, made from high-quality materials that can withstand the wear and tear of daily use.

Overall, the best internal fish tank filter should provide excellent filtration, be easy to use and maintain, be quiet and energy-efficient, and be built to last.

What is the price range for the best internal fish tank filters?

The price range for the best internal fish tank filters can vary depending on the size and type of the filter. Generally, you can find good quality internal fish tank filters starting at around $15 and going up to $100 or more for larger, more advanced models. However, it is important to note that the price should not be the only factor to consider when choosing a filter for your aquarium. It is also essential to consider the filter's flow rate, filtration capacity, and ease of maintenance. Additionally, it is important to choose a filter that is appropriate for the size of your aquarium and the type of fish you have. Investing in a good quality internal fish tank filter can help to ensure a healthy and clean environment for your aquatic pets.

What is the quietest internal fish tank filter on the market?

There are several internal fish tank filters on the market that are designed to operate quietly. The quietest internal fish tank filter largely depends on the size of your aquarium and the type of fish you have.

One of the quietest internal filters available is the Fluval U Series Underwater Filter. It is designed to work silently and efficiently, creating a crystal clear and healthy environment for your fish. Another good option is the Eheim Internal Filter Pickup, which is known for its quiet operation and powerful filtration.

Other top-performing internal filters that operate quietly include the Hydor Pico Evo-Mag 180, the Penn Plax Cascade Internal Filter, and the Zoo Med Nano 10 External Canister Filter. It is important to note that proper maintenance, such as regular cleaning and replacing the filter media, can help ensure the continued quiet operation of your internal fish tank filter.

What is the recommended flow rate for an internal fish tank filter?

The recommended flow rate for an internal fish tank filter depends on the size of the tank and the type of fish and plants you have. A general rule of thumb is to have a flow rate that is four times the volume of the tank. For example, if you have a 20-gallon tank, then the recommended flow rate would be 80 gallons per hour. However, this is just a general guideline and there are many other factors that can affect the flow rate of your filter.

It is important to consider the needs of your fish and plants when selecting a filter and determining the flow rate. Some fish, such as bettas, prefer slower-moving water, while others, such as cichlids, prefer a stronger current. Plants also have different water flow requirements depending on their species.

Ultimately, it is best to do some research on the specific needs of your fish and plants, consult with a knowledgeable aquarium specialist, and choose a filter with an adjustable flow rate so that you can customize it to meet the needs of your aquarium.

What size internal fish tank filter do I need for my aquarium?

The size of the internal fish tank filter you need for your aquarium depends on the size of your aquarium and the number of fish in it. A good rule of thumb is to choose a filter that can handle at least 4 times the volume of your tank. For example, if you have a 20-gallon aquarium, you should choose a filter that can handle at least 80 gallons per hour.

Additionally, consider the type of fish you have and their waste production. If you have a lot of fish or ones that produce a lot of waste, you may need a larger filter. It's also important to choose a filter with adjustable flow rates so that you can customize the filtration to meet the needs of your fish.

Overall, it's better to choose a filter that is slightly larger than you need, rather than one that is too small. This will ensure that your aquarium stays clean and healthy for your fish.

What type of media should I use in my internal fish tank filter?

The type of media you use in your internal fish tank filter will depend on the specific needs of your aquarium. Generally, there are three types of filter media: mechanical, biological, and chemical.

Mechanical media includes sponge filters and filter floss, which physically remove debris and waste from the water. Biological media, on the other hand, helps to establish beneficial bacteria colonies that break down harmful toxins in the water. This type of media includes ceramic rings, bio-balls, and porous stones. Chemical media, such as activated carbon, can be used to remove impurities and odors from the water.

When choosing media for your internal filter, consider the size of your tank, the type and number of fish you have, and any specific water quality issues you may be trying to address. For example, if you have a heavily stocked tank, you may want to prioritize biological media to maintain water quality. If you have a specific issue such as high levels of ammonia, you may want to consider adding additional chemical media.

Ultimately, it's important to regularly maintain and clean your filter media to ensure it is performing optimally and providing a healthy environment for your fish.

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