Best External Filter For Aquarium (2024 Update)
If you’re looking for the best external filter for your aquarium, you’ve come to the right place. An external filter is a vital component for your aquarium because it keeps the water clean and balanced, ensuring the healthy growth and survival of your aquatic animals and plants. However, with so many options on the market, making the right choice can be confusing.
Before purchasing an external filter, there are a few important factors to consider. Firstly, you need to determine the appropriate size of the filter for your aquarium. Choosing an external filter that is too small or too big for your tank can result in poor filtration, leading to health issues for your aquatic pets. Secondly, you need to decide on the filtration method – mechanical, chemical or biological – that suits the types of fish and plants in your aquarium. Lastly, you need to ensure that the external filter is easy to set up and maintain, or else it can become a time-consuming and laborious task.
Are you tired of constantly cleaning your aquarium and worrying about the health of your aquatic pets? Do you want to find the best external filter for your needs? Which filter has the longest life and creates the least amount of noise in your aquarium? Find out the answers to these questions and more by continuing to read and discover the perfect external filter for your aquarium.
10 Best External Filter For Aquarium
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The product is ideal for filtering and sterilizing aquarium or pond water with its 5-stage filtration system and UV sterilizer.
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Ideal for filtering aquarium water with three stages of external canister filtration.
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3
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The product is ideal for filtering aquarium water with a high flow rate and three-stage filtration system.
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4
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The product is ideal for external filtration of aquariums or fish tanks with up to 60 gallons of water.
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5
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Purifying and cleaning fish tanks up to 115 gallons through physical, biological, and chemical filtration.
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6
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The product is ideal for filtering and sterilizing aquarium water with its built-in pump and UV sterilizer.
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7
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Ideal for providing silent, multi-stage filtration in aquariums sized 45 to 70 gallons.
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8
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This product is ideal for filtering and maintaining the cleanliness of aquariums up to 180 gallons.
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9
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It is ideal for filtering water in small aquariums or tanks up to 10 gallons.
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10
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It is an aquarium filter suitable for large tanks up to 400 gallons in capacity.
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1. Sunsun Hw-404b 525 Gph 5-Stage External Canister Filter With 9w Uv Sterilizer, Gray
The aquarium enthusiasts out there will appreciate this powerful filtration system that is perfect for large tanks of up to 150 gallons. With its dimensions of 11 inches in length, 11 inches in width, and 19 inches in height, this filter is sure to fit seamlessly into your tank setup.
The flow rate of this filter is an impressive 525 gallons per hour, or 2000 liters per hour, ensuring that your tank water is constantly being circulated and kept clean. The pump power is 55 watts, making it strong enough to handle the filtration needs of larger tanks.
This filter is equipped with a built-in 9 watt UV sterilizer, which is great for controlling algae spores and bacteria, as well as promoting clear water. You'll love the crystal clear water that this filter helps to maintain.
If you're worried about assembly or usage of the filter, don't be. The user manual provided in the product details section is informative and easy to follow. You'll have your filter up and running in no time. Additionally, the manual provides helpful troubleshooting tips should you encounter any issues.
2. Sunsun Tech'n'toy Hw-603b 106 Gph 3-Stage External Canister Filter
This aquarium filter is designed to provide efficient filtration for fish tanks of up to 20 gallons. Its compact size of 6.5" L X 6.5" W X 11" H makes it easy to install in your aquarium without taking up too much space.
With a flow rate of 106 gallons per hour (400L/hr.) and a pump power of 6W, this filter ensures that your aquarium water remains clean and clear. It comes equipped with filter pads, hoses, and all the necessary parts to get you started, so you can set it up quickly and easily.
The filter pads are designed to remove debris and impurities from the water, ensuring that your fish stay healthy and happy. The hoses are easy to attach and detach, making maintenance a breeze.
3. Sunsun Hw-302 3-Stage External Canister Aquarium Filter 264gph
The aquarium canister filters are an essential tool to maintain a clean and healthy environment for your aquatic pets. These filters operate by using high water pressure, generated by a powerful pump, to force water through dense filter media. The canister can draw water from an under-gravel filter and enhance the filtration process.
This aquarium canister filter features three media trays that can accommodate various filtration media, providing customizable filtration options. Additionally, it comes equipped with an adjustable spray bar that allows the user to regulate the filter's output flow easily. This feature can come in handy if you need to adjust the water flow according to your preferences.
Another useful feature of this canister filter is the self-priming pump. This feature eliminates the need for manual siphoning, making the maintenance process more comfortable and convenient. Additionally, the single valve disconnect and priming pump make routine maintenance a breeze.
This aquarium canister filter provides efficient and quiet filtration for both fresh and saltwater aquariums. It is an ideal option for living rooms, offices, or bedrooms, as it operates quietly and does not disturb the peaceful environment.
4. Sunsun Tech'n'toy Hw-602b 106 Gph 3-Stage External Canister Filter
This aquarium filter is an excellent choice for small to medium-sized fish tanks, with a maximum capacity of up to 20 gallons. It boasts a compact design, measuring 5.7" in length, 5.7" in width, and 10" in height, making it easy to install and maintain in your aquarium.
With a flow rate of 106 gallons per hour (400 liters per hour), this filter ensures that your aquarium water stays clean and clear at all times. It is powered by a 6W pump, which is energy-efficient and helps to minimize your electricity bill.
In addition, this aquarium filter comes with filter pads, hoses, and all the necessary parts for quick and easy installation. The filter pads effectively remove debris, waste, and other impurities from the water, while the hoses and parts ensure a seamless connection to your aquarium.
5. Cascade 500 Canister Filter For Cleaner, Fresher Water.
The Cascade 500 Canister Filter is a highly efficient and effective tool for keeping aquarium water crystal clear. With a water cycling rate of 115 gallons per hour, this filter is recommended for aquariums up to 30 gallons and is suitable for both freshwater and saltwater fish tanks, as well as turtle habitats.
This Canister Filter boasts state-of-the-art features, including a push-button primer that enables easy and quick priming, and two independent valve taps that rotate a full 360°, allowing for easy maneuvering even in the tightest aquarium cabinets. The two stackable, large capacity media baskets give aquarists the ability to customize filtration according to their specific needs.
The Cascade 500 Canister Filter also comes with several filter media options that work together to optimize the colonization of anaerobic bacteria, trap floating particulate matter, remove harmful chemicals and toxins, clear up discolorations, and reduce foul odors from the aquarium’s water. The standard filter media includes two Poly Fiber Floss Pads, one Coarse Bio-Sponge, and one Bag of Activated Carbon.
This Canister Filter comes equipped with a range of useful items, including two independent valve taps, a push-button primer, flow rate control cut-off valves, swimming-pool style hose clamps, four easy lift alignment clamps, a sturdy tip-proof base, and two large capacity media baskets.
The Cascade 500 Canister Filter measures 11.5 inches (W) x 9 inches (D) x 13.5 inches (H) and operates on 110 volts / 60 Hz / 10.5 W. With its high efficiency and state-of-the-art features, the Cascade 500 Canister Filter is ideal for aquarists who demand the best in aquarium filtration.
6. Polar Aurora Aquarium Filter With Uv Sterilizer
The aquariums' water quality is essential for the health of its inhabitants, and the Canister filters are a reliable and efficient solution to keep it in top condition. This Canister filter uses a powerful pump to force the water through the dense filter media to capture any impurities in the aquarium's water.
The Canister filter comes with three media trays, allowing the user to choose their preferred filtration media. Moreover, the adjustable spray bar is a helpful feature that enables the user to adjust the output flow from the filter.
The Canister filter also features a convenient self-priming pump that eliminates the need for manual siphoning. Its single valve disconnect and priming pump ease routine maintenance, providing a hassle-free experience for the user.
Additionally, this Canister filter operates quietly and efficiently, making it an excellent choice for both freshwater and saltwater aquariums. Its compact design makes it perfect for living rooms, offices, or bedrooms.
7. Tetra Whisper Ex 70 Filter For 45 To 70 Gallon Aquariums, Silent Multi-Stage Filtration
The Tetra Whisper EX Power Filter is the perfect solution for any aquarium enthusiast looking for a quiet and efficient filtration system. With its silent multi-stage filtration, this power filter ensures crystal clear water in your aquarium. This filter is specifically designed to fit aquariums that range from 45 to 70 gallons, and boasts a powerful flow rate of 240 GPH.
Setting up the Tetra Whisper EX Power Filter is an absolute breeze, with no priming required. Simply take it out of the box, and you're ready to go. The continuous flow of water ensures that debris buildup is prevented, keeping your aquarium clean and healthy.
The no-mess filter cartridge changes of the Tetra Whisper EX Power Filter make maintenance an absolute breeze. The design minimizes dripping, making cartridge changes easy and hassle-free. You won't have to worry about water spilling over or dripping onto your floors.
8. Fedour Canister Filter: Powerful & Compact Aquarium Solution.
Introducing the Hang on Filter, an aquarium external filter that is designed to provide efficient filtration with added convenience. With its two hang-on brackets, this filter can easily be installed on the tank's wall, freeing up valuable space.
This aquarium filter boasts a maximum water flow of 175GPH (650L/H), making it an ideal choice for tanks ranging from 10 to 60 gallons (with a height greater than 12 inches/30cm). It comes with a power of 8W and has dimensions of 9.6*5.7*4.7in (24.5*14.5*12cm) for the barrel and 12.8*5.5*12.6in (32.5*14*32cm) for the barrel with spray bar. The power cable is 4.9ft (1.5m) long, providing ample length for placement options.
Additionally, this aquarium filter features adjustable knobs at the inlet and outlet pipes, making it easy to adjust the flow of water in and out of the filter. This feature allows for optimal customization to achieve a suitable water flow for the tank.
One of the most notable features of this Hang on Filter is its super quiet operation. Its unique structure allows the thickened filter cotton to effectively isolate noise, making it nearly silent during operation. The water pump is installed at the bottom of the filter barrel, providing added stability and reducing vibration. If the spray bar is installed underwater, the sound of water flow is the only audible noise, making it the perfect choice for those who prefer a peaceful and quiet aquarium environment.
This aquarium filter is also known for its exceptional filtration effect. It has four layers of filter cotton, including 1pc black biochemical cotton, 1pc yellow density cotton, 1pc blue physical filter cotton, and 1pc white physical filter cotton, which work together to effectively filter out impurities from the water. Additionally, it comes with 0.7lb (0.3kg) ceramic balls that can be placed in the space below, providing a total of 5 layers of filtering for an excellent filtration effect.
9. Zoo Med Nano 10 External Canister Filter, Up To 10 Gallons,black
Introducing the Nano 10 external canister filter – the perfect solution for maintaining a clean and healthy aquatic environment in nano tanks and aquariums up to 10 gallons. Whether you have a freshwater or saltwater setup, this filter is designed to cater to your needs.
One of the key benefits of the Nano 10 is its ease of use. Even new users can easily prime, customize, and open the filter without any hassle. This makes it an ideal choice for those who are new to aquarium keeping or those who want a low-maintenance filter.
Apart from being user-friendly, the Nano 10 also boasts of a compact and space-saving design. It won't take up too much space in your tank, leaving more room for your aquatic pets to swim around. Additionally, the filter operates quietly thanks to its anti-vibration brushings.
The package includes everything you need to get started – the Nano 10 external canister filter, a spray bar system for greater aeration, a mechanical filter sponge, bio ceramic filtration media, and carbon chemical filtration media. With all of these components, you can rest assured that your filter is providing optimal filtration for your aquatic pets.
10. Fluval Fx6 High Performance Aquarium Filter, Canister Filter For Aquariums Up To 400 Gal.
The Multi-Stage Filter Pump is a powerful and efficient filtration system that is perfect for any aquarium. With a pumping capacity of 925 US Gal (3,500 L) of water per hour, this pump is capable of keeping even the largest aquariums clean and clear.
Equipped with Smart Pump advanced microchip technology, the pump is able to continuously monitor and optimize its performance to ensure that it is running at its best at all times. The self-starting feature makes it incredibly easy to use. Simply add water, plug it in, and let the Smart Pump take over.
The Multi-Stage Filter Pump is also designed to be incredibly efficient. The trapped air is auto-evacuated every 12 hours to ensure maximum efficiency, and the easy water changes eliminate the need to lift heavy buckets. Simply attach the hose to the output and let the Smart Pump do the rest.
The pump also features removable, stackable media baskets that eliminate water bypass and can hold a total of 1.5 US Gal (5.9 L) of media. All filter media is included – mechanical, chemical, and biological – so you can be sure that your aquarium is getting the best possible filtration.
Despite its powerful performance, the Multi-Stage Filter Pump is designed to be compact and easy to fit under most aquariums. At just 21 inches (53 cm) tall, it won't take up too much space and will blend seamlessly into your aquarium's setup.
Best External Filter For Aquarium FAQs
Can external filters be used for both freshwater and saltwater aquariums?
Yes, external filters can be used for both freshwater and saltwater aquariums. In fact, many aquarium enthusiasts prefer external filters over other types of filtration systems because they are highly efficient and can be customized to suit the specific needs of the aquarium.
External filters work by drawing water out of the aquarium and running it through a series of filter media, such as mechanical, biological, and chemical filters, before returning the clean water back into the tank. This process helps to remove debris, harmful chemicals, and waste products from the water, creating a healthier environment for the fish and other aquatic creatures.
When selecting an external filter for your aquarium, it's important to consider the size of your tank, the type of fish and plants you have, and your budget. There are many different brands and models of external filters available on the market, so be sure to do your research and choose one that best suits your needs.
How do you determine the appropriate size of external filter for your aquarium?
Choosing the right size of an external filter for your aquarium is crucial for the health of your aquatic pets. The general rule of thumb is to select a filter that's capable of filtering the entire volume of your aquarium at least four times per hour. For instance, if you have a 50-gallon aquarium, you'll need an external filter with a minimum flow rate of 200 gallons per hour (GPH).
However, the size of your external filter may vary depending on the type of fish and plants you have in your aquarium. For instance, if you have a heavily stocked aquarium or large fish that produce a lot of waste, you may need a filter that's larger than the recommended size.
It's also essential to consider the maintenance requirements of your external filter. A larger filter may require less frequent maintenance but may be more expensive. On the other hand, a smaller filter may need more frequent cleaning but may be less expensive.
Ultimately, selecting the appropriate size of an external filter for your aquarium requires careful consideration of several factors, including the size of your aquarium, the type of aquatic pets and plants, and your maintenance capabilities.
How much does a high-quality external filter for an aquarium typically cost?
The cost of a high-quality external filter for an aquarium can vary depending on the size of the aquarium and the specific needs of the aquatic environment. Generally, a reliable external filter for a small to medium-sized aquarium can cost anywhere from $50 to $150, while larger aquariums may require more expensive models that can cost upwards of $300 or more.
Factors that can affect the cost of an external filter include the type of filtration system used, the brand, the materials used in construction, and any additional features such as UV sterilization or adjustable flow rates. It is important to invest in a high-quality external filter to ensure the health and well-being of your aquatic pets, but it is also essential to consider your budget and choose a model that best fits your needs. Ultimately, doing research and consulting with aquarium professionals can help you find the right external filter at a price point that works for you.
How much noise do external filters typically produce and how can you minimize it?
External filters can produce varying levels of noise depending on their design and quality. However, it is common for them to produce a low hum or vibration noise that can be noticeable in quiet environments. To minimize the noise produced by external filters, there are several things you can do.
Firstly, it is important to ensure that the filter is installed correctly and securely. Loose connections or parts can cause unnecessary vibrations and noise. Secondly, you can consider placing the filter on a soft, non-slip surface, such as a rubber mat, to reduce vibrations. Additionally, regular maintenance of the filter, including cleaning and lubrication of moving parts, can help to reduce noise.
Another effective way to minimize noise from external filters is to invest in a high-quality filter. Higher quality filters are often designed with noise reduction in mind and are built with better quality materials that reduce vibration and noise. Some filters also come with specialized noise reduction features, such as sound-absorbing materials or anti-vibration pads.
In conclusion, the noise produced by external filters can be reduced by ensuring proper installation, using soft surfaces, regular maintenance, and investing in high-quality filters with noise-reducing features.
How often should you clean and maintain an external filter for optimal performance?
For optimal performance of an external filter, it is recommended to clean and maintain it at regular intervals. The frequency of cleaning and maintenance depends on the size of the aquarium, the number of fish, and the filter's capacity. Typically, it is suggested to clean the external filter every four to six weeks for a medium-sized aquarium.
The cleaning process involves turning off the filter, removing it from the aquarium, and dismantling it. The filter media should be rinsed in aquarium water to remove the debris and waste trapped in it. The impeller, intake tube, and other components should also be cleaned thoroughly. After cleaning, reassemble the filter and replace the filter media if necessary.
Regular maintenance of the filter also includes checking the hoses, seals, and connections for any leaks or damages. The impeller should be lubricated with silicone grease to ensure its smooth operation. It is also essential to replace the filter cartridges periodically to maintain the filter's effectiveness.
In conclusion, cleaning and maintaining an external filter is crucial for the health of the aquarium and its inhabitants. Regular cleaning every four to six weeks, along with periodic maintenance, ensures optimal performance and longevity of the filter.
What are the advantages and disadvantages of using an external filter versus an internal filter for an aquarium?
External filters and internal filters are both popular options when it comes to aquarium filtration. Each type comes with its own set of advantages and disadvantages.
External filters are placed outside the aquarium and are generally larger and more powerful than internal filters. This means that they can handle larger aquariums and provide better filtration. They are also easier to maintain and clean, as they can be accessed outside the aquarium. However, external filters are typically more expensive than internal filters and require more space outside the tank.
On the other hand, internal filters are placed inside the aquarium and are generally smaller and more affordable than external filters. They are also quieter and take up less space, making them ideal for smaller tanks. However, internal filters may not provide as thorough filtration as external filters and require more frequent cleaning.
Ultimately, the choice between external and internal filters depends on the specific needs of the aquarium and the personal preferences of the owner. Larger aquariums or those with high bio-loads may benefit from external filters, while smaller tanks may be better suited for internal filters.
What are the most important factors to consider when choosing an external filter for an aquarium?
When choosing an external filter for an aquarium, there are several important factors to consider. Firstly, you should consider the size of your aquarium and choose a filter that is appropriate for its volume. It's important to choose a filter that has a flow rate that is suitable for your aquarium size, as a filter with too high of a flow rate can be too strong for smaller tanks and could harm your fish.
Another important factor to consider is the type of filter media used in the filter. Some filters use biological media which allows beneficial bacteria to grow and break down waste in the aquarium, while others use mechanical media to physically filter out debris. It's important to choose a filter that has the appropriate type of media for your aquarium's needs.
You should also consider the ease of maintenance and cleaning for the filter, as well as the noise level it produces. An external filter with a quiet operation is preferable, especially if you plan on placing the aquarium in a living space.
Finally, consider the brand and reputation of the filter you are considering, as well as any additional features it may offer such as UV sterilization or adjustable flow rates. By considering these factors, you can choose an external filter that is best suited for your aquarium and its inhabitants.
What are the top brands and models of external filters for aquariums?
There are several top brands and models of external filters available for aquariums. One of the most popular brands is Fluval, which offers models such as the Fluval 306 and Fluval FX4. These filters are known for their reliability, ease of use, and strong filtration capabilities.
Another top brand is Eheim, which produces models such as the Eheim Classic 600 and the Eheim Pro 4+. These filters are known for their durability, quiet operation, and efficient filtration.
Other notable brands include API, Penn-Plax, and Marineland. The API Filstar XP-L and the Penn-Plax Cascade Canister Filter are popular models from these brands.
When choosing an external filter for your aquarium, it's important to consider the size of your tank, the type of fish you have, and your budget. It's also important to choose a filter with the appropriate flow rate and filtration media to keep your aquarium clean and healthy.
What is the lifespan of an external filter and how can you tell when it needs to be replaced?
The lifespan of an external filter can vary depending on the brand, model, and usage. Generally, a high-quality external filter can last for several years if it is properly maintained and cleaned regularly. However, some factors such as the size of the aquarium, the bio-load of fish, and the frequency of filter cleaning can affect the lifespan.
To determine when an external filter needs to be replaced, there are a few signs that you should look for. Firstly, if you notice reduced water flow or filtering capacity, it may be a sign that the filter needs cleaning or replacement. Secondly, if you see any cracks or leaks in the filter casing, it is a clear indication that it needs to be replaced. Additionally, if you notice any abnormal noise or vibration coming from the filter, it may be a sign that the motor is wearing out and needs to be replaced.
In summary, the lifespan of an external filter can vary, but with proper maintenance and regular cleaning, it can last for several years. It is important to monitor the filter's performance and watch out for signs that it needs to be replaced to ensure a healthy and clean aquarium environment.
What types of media are typically used in external filters and how do they impact water quality?
External filters for aquariums typically use a combination of mechanical, biological, and chemical media to improve water quality. Mechanical media, such as filter sponges or floss, physically trap debris and particles as water passes through the filter. This helps to remove visible impurities and prevent them from breaking down and affecting water quality.
Biological media, such as ceramic rings or bio-balls, provide a surface area for beneficial bacteria to grow and colonize. These bacteria help to break down harmful toxins, such as ammonia and nitrite, into less harmful compounds like nitrate.
Chemical media, such as activated carbon or resin, can be used to remove impurities that cannot be removed by mechanical or biological filtration. Activated carbon, for example, can help to remove dissolved organic compounds, while resin can remove specific contaminants like phosphate.
The type and amount of media used in an external filter will depend on the specific needs of the aquarium and its inhabitants. Proper filtration is essential for maintaining a healthy and thriving aquatic environment.
