20 Best Filter For Goldfish Tank (2023 Updated)

Eheim Pro 4+ 250 Aquarium Canister Filter; The EHEIM Pro 4+ 250 Aquarium Canister Filter is a great way to keep your finned friend’s water column crisp and clean! It features virtually silent operation with powerful performance that’s optimized for energy efficiency, delivering an adjustable flow rate of up to 250-gallons per hour using only 12-watts.

Equipped with a self-priming aid, top prefilter and locking safety hose adapters, it is engineered to be an easy and convenient way to keep your underwater companions comfy. The “Xtender” button is also a helpful addition that uses a bypass to skip over the fine filter pad—should it become blocked—to reduce the need for additional cleanings.

Suitable for both freshwater and saltwater aquariums, this sleek, black unit employs two individual filter baskets to keep tanks ranging from 32-gallons to 66-gallons looking their best.

This external canister filter with a pump output of 1700 l per hour offers previously unknown convenience for aquarium sizes up to 1200 l. Operating large aquariums has never been so easy. The ergometric priming lever fills the 25 l filter canister with just a few movements.

The filter system is filled with this convenient priming support at the push of a button and immediately the system starts working. Complicated priming principles for which every aquarium owner developed his own more or less inconvenient and often also wet technology are now a thing of the past.

The water is sucked in through 2 priming hoses. This is new and means: 2 priming hoses with 2 prime strainers ensure perfect water replacement in ALL zones in large aquariums. The water is returned into the aquarium through 1 pressure line.

Thus EHEIM professionel 3 is the first external canister filter with a triple adapter.

Biomax bio rings have a complex pore system creating an optimal environment where beneficial bacteria can thrive. The Biomax bio rings have more capacity than most biological filter media and allow ideal water movement throughout the media, to ensure optimal contact time for efficient biological filtration.

It also reduces and controls ammonia and nitrate. For freshwater and marine environments.

Classic series canister filters have the longest most reliable track record in the trade. A pump/motor unit that seems to run forever with a minimum of service. Proven technology balanced performance and high efficiency mark classic series filters as the bellweather in aquarium filtration.

One chamber design allows for the greatest flex in setting up for mechanical biological chemical and adsorptive filtration. Flow rates have been precisely calculated to provide the exact balance needed between mechanical and biological long-term filtration water circulation and oxygen enrichment resulting in optimum conditions for successful aquarium keeping with 3-6 month maintenance intervals.

Also ideal for specific purpose filtration such as Chemical /Adsorptive (carbon). No media included. For tanks to 500gal. Pump output 900gph. includes two quick rrelease double tap valves. Important Information Directions Put on the pump head and examine the o-ring for correct fitting.

Close the clips. Place filter underneath aquarium it must be below water level. Fit outlet pipe as per drawing A or B. Assemble suction pipe and strainer and attach to side of aquarium with 2 suction cups and fit hose connections to filter suction side on bottom intake nozzle, pressure side on pump head.

Fasten hoses with clamping nut. There are 3 ways to prime the filter. 1) With the starter bulb (order no. 4003540), 2) with the Universal Installation Kit 1 (order no. 4004300) or 3) by sucking the hose on the pressure side.

Connect the pressure side hose to the outlet elbow and the spray bar while the filter fills with water. The pump can be switched on when water has filled the filter, and for a short time while trapped air is exhausted from the filter media a slight noise from the pump will be heard (this is normal).

Fit the plug into the end of the spray bar after all the air bubbles have disappeared.

Classic series canister filters have the longest most reliable track record in the trade. A pump/motor unit that seems to run forever with a minimum of service. Proven technology balanced performance and high efficiency mark classic series filters as the bellweather in aquarium filtration.

One chamber design allows for the greatest flex in setting up for mechanical biological chemical and adsorptive filtration. Flow rates have been precisely calculated to provide the exact balance needed between mechanical and biological long-term filtration water circulation and oxygen enrichment resulting in optimum conditions for successful aquarium keeping with 3-6 month maintenance intervals.

Also ideal for specific purpose filtration such as Chemical /Adsorptive (carbon). Tanks to 39gal 60gph Filter volume 0. 26gal Tubing 394 in (3/8) x 494 out (1/2)(112mm). Includes fine coarse and carbon pads packed with ehfimech & ehfisubstrat Power consumption 5w.

Weight 7lbs. Important Information Directions Put on the pump head and examine the o-ring for correct fitting. Close the clips. Place filter underneath aquarium – it must be below water level. Fit outlet pipe as per drawing A or B.

Assemble suction pipe and strainer and attach to side of aquarium with 2 suction cups and fit hose connections to filter: suction side on bottom intake nozzle, pressure side on pump head. Fasten hoses with clamping nut.

There are 3 ways to prime the filter. 1) With the starter bulb (order no. 4003540), 2) with the Universal Installation Kit 1 (order no. 4004300) or 3) by sucking the hose on the pressure side. Connect the pressure side hose to the outlet elbow and the spray bar while the filter fills with water.

The pump can be switched on when water has filled the filter, and for a short time while trapped air is exhausted from the filter media a slight noise from the pump will be heard (this is normal). Fit the plug into the end of the spray bar after all the air bubbles have disappeared.

The Aquael Pat Mini is a powerful and yet smaller inner filter for Nano Aquariums. As an unobtrusive, additional flow pump, the Aquael Pat Mini can also be used in large tanks. The coarse filter sponge guarantees a long service life, if however shrimp offspring is imminent, it is recommended that you change the sponge for a finer one.

The filter purifies the water and provides oxygen. FAN2 is designed for 100 – 150 l aquariums. Adjustable current and current direction. Works quietly. Easy to install. Easy to disassemble and clean.

Fish Internal Filters Interior filter Fan-1-Plus Aquael This item is being supplied from continental Europe. Please consider an adaptor might be needed to plug it in your country.

Aqueon Quiet Flow Power Filters feature four stages of filtration – mechanical, chemical, biological and wet/dry – for the cleanest, clearest, healthiest water. Higher flow rates ensure higher dissolved oxygen content for healthier, more active fish.

The internal pump design helps dampen noise, eliminates leaks and starts up automatically after cleaning or power interruptions. Aqueon filters have higher flow rates than the competition to ensure proper turnover for cleaner water and higher dissolved oxygen content, making fish healthier and more active.

AquaClear 50 Activated Carbon Filter Insert improves water clarity for freshwater and marine aquariums. AquaClear 50 Activated Carbon Filter Insert provides superior adsorption qualities which eliminate odors, discoloration and impurities.

It is designed to fit the AquaClear 50 Power Filter.

The Fluval Poly/Carbon Cartridge has two sides that combine to provide thorough and effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants.

The carbon side filters out harmful liquid substances, colourants and odours. For freshwater, marine or reptile environments. Includes 2 Poly/Carbon cartridges. For the Fluval U3 Underwater Filter.

Open-Box — The Eheim Classic 600 Canister Filter has a flow rate precisely calculated to provide the exact balance needed between mechanical water circulation and oxygen enrichment. This results in optimum condition for a successful aquarium.

Eheim Classic 250 External Aquarium Canister Filter; Put cleanliness first and protect your tank with the Classic 250 External Aquarium Canister Filter from Eheim. With this exceptional filtration system, you’ll get both mechanical and biological purification, constant water circulation and oxygen enrichment in one compact system.

It’s tested to ensure optimum efficiency! Already equipped with everything you need to get started—including detailed instructions—the Eheim Classic is one filter that gets the job done.

Powerful canister filters great for novice or experienced aquarists alike. Eheim ecco Pro Canister Filters boast extreme ease of use and reliable, worry-free and energy-efficient performance for exceptional aquarium filtration.

Updated 3-stage canister filter positions the pre-filter at the top for easier regular maintenance. Large capacity filter operates quietly with longer intervals between cleanings, typically between 3 and 6 months, so you can spend more time enjoying your aquarium rather than maintaining it.

Great for use with freshwater and saltwater aquariums. Eheim ecco Pro Canister Filters offer 3 stages of long-term filtration (mechanical, chemical, and biological) in an easy-to-set-up package. Innovative multifunction handle locks for safe carrying, self-primes for immediate water flow, and releases quickly to open for easy access to quick-clean media baskets.

Eheim ecco Pro Canister Filters comes completely equipped with original EHEIM filter media and includes everything you need to get started. For freshwater or marine use. Replacement Filter Pads available.

Provides mechanical, biological, and chemical filtration Polyester foam traps fine debris; carbon removes pollutants and odors; and zeolite eliminates toxic ammonia Easy to install and replace Designed to fit the Marina i25 Internal Filter Marina i25 replacement Power Cartridge is made specifically to fit inside the Marina i25 internal filter.

Its unique design forces the water to enter through the centre of the cartridge. As unfiltered water enters the two-chamber cartridge, it first passes through the zeolite chamber, which removes toxic ammonia.

The water then enters the activated carbon chamber, where pollutants and odours are removed. The water then enters the floss layer, which traps dirt and debris. This unique flow of water results in a crystal clear water.

For best results, replace every 4 weeks.

Aquael filter ASAP 700 Simple design – very user-friendly, transparent container – easy checking of the dirt condition of filter media, modern and energy-saving motor, bypass function. Aquael presents a revolutionary new range of internal aquarium filters.

The ASAP filters combine high performance and excellent usability with a well thought-out design that reduces the time required for maintenance work. The ASAP internal filter consists of a modern, energy-efficient motor, which is housed in an elegant housing, and a large transparent filter bowl, which is filled with a carefully selected filter sponge.

The sponge is quickly colonized by beneficial bacteria, so the water passed through the filter undergoes both biological and mechanical filtration. This keeps it clear and safe for the residents of the aquarium.

The filter requires two basic types of maintenance procedures.

Powerful canister filters great for novice or experienced aquarists alike. Eheim ecco Pro Canister Filters boast extreme ease of use and reliable, worry-free and energy-efficient performance for exceptional aquarium filtration.

Updated 3-stage canister filter positions the pre-filter at the top for easier regular maintenance. Large capacity filter operates quietly with longer intervals between cleanings, typically between 3 and 6 months, so you can spend more time enjoying your aquarium rather than maintaining it.

Great for use with freshwater and saltwater aquariums. Eheim ecco Pro Canister Filters offer 3 stages of long-term filtration (mechanical, chemical, and biological) in an easy-to-set-up package. Innovative multifunction handle locks for safe carrying, self-primes for immediate water flow, and releases quickly to open for easy access to quick-clean media baskets.

Eheim ecco Pro Canister Filters comes completely equipped with original EHEIM filter media and includes everything you need to get started. For freshwater or marine use. Replacement Filter Pads available.

Internal filter The Dennerle Nano corner filter is an adjustable internal filter for aquariums between 10 and 40 litres. With the Dennerle Nano corner filter, you can filter your aquarium between 10 and 40 litres elegantly and efficiently.

The narrow corner filter can be easily accommodated in the aquarium corner so that there is enough space for further design options. The powerful filter has a pump capacity of 150 liters/hour. Because of the quiet running, you hardly notice it and even the very low power consumption with only 2 watts is highly efficient.

You can adjust the water flow continuously, thanks to the 90 ° rotating filter outlet you can turn the water flow in all directions. The nozzle tube of the filter has an integrated cleaning slide, as well as a brush for easy cleaning of the tube openings: You can easily remove the outflow tube and remove it from the filter.

Due to the narrow suction openings and a very fine-pored pre-filter sponge, the nano corner filter is also safe for young shrimp. Our expert Oliver Knott recommends: With the efficient nano corner filter you not only filter, but you also save money – for new shrimp for example!.

ELITE STINGRAY 10 underwater filter, combines style with silent performance. Provides effective mechanical, chemical and biological filtration. Complete with zeo-carb and foam filter media and equipped with a convenient flip top cover, cleaning and or media replacement is made easy.

Includes multi position directional water flow output. The Elite Stingray is designed to fit into any type and style of aquarium. The ELITE STINGRAY 10 is ideal for aquariums up to 10 U. S. Gal.

Tetra EX1200 Plus External filter for aquariums from approx 250 to 500 litres. The new Plus range feature up to 35% savings on power consumption. The Tetratec EX1200 Plus uses a 5 stage process to effectively clean and filter the aquarium water.

The water is pumped through ceramic rings, bio balls, carbon media and filter floss for sparkling clean water for your fish to thrive in. With control valves on the inlet and outlet pipes you can effectively set the flow of water to suit the different requirements.

Cleaning is simple, just shut off the valves and remove the connection kit from the main filter housing. The main body of water is then kept inside the filter chamber so you can work on the filter wherever you like without risk of spilling water.

Easy to use external filters for more efficient aquarium filtration Simple to assemble and operate Primer button for quick start Excellent water flow Comes complete with media Hose adapter allows filter to be opened without disconnecting pipework Adjustable joints for easy alignment of pipework Extremely quiet and powerful Application TetraTec EX filters come compelte with full operating instructions.

Simply install the pipework and prepare the media as instructed. Then add a little aquarium water to the main cannister, attach the lid, and use the filter-start button to completely fill the unit. The EX filter sits outside the aquarium where it is easy to access and clean.