Best Filter for Goldfish

If it is your first time to keep a fish, then perhaps you are slightly baffled about the Best Filter for Goldfish to buy and which ones to refrain from. In addition to this, you might be pondering on the importance of having a filter for your fish tank. Truth is, investing in superb quality filter is quite a necessity. If you want your pet fish and other marine creatures to thrive in your aquarium, then it matters to have a good one installed in your fish tank.

To boot, ensuring that your goldfish tank is gleaming and safe for your pet fish to roam and swim around is one of the most outstanding approaches to guarantee that they will enjoy a healthy life even when they are inside the tank. Indeed, keeping the water they reside in neat and free of any contaminants is a practical alternative to spending lavishly on vet visits and pricey medicine to help your fish recover.

Let us explore the best goldfish filters reviewed in this post and make sure to keep the shopping guides in mind before you spend anything for a filter. Read the other substantial information tackled in this article to ensure a happy and healthy tank for your fish.

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The Best Filter for Goldfish Reviews of 2023

1. Tetra Whisper Power Filter

best filter for goldfish

Setting up a goldfish tank with filter does not need to be cumbersome. If you pick the right filter, you can rest assure that your goldfish won’t be harmed. As you might already know, Tetra is one of the most credible brands when it comes to marine products, and this filter model is one of their best products.

This filter utilizes medium bio-bag cartridges. Please be guided that it is necessary to replace cartridges in order to keep the filter operating superbly. If you are presently keeping a smaller fish tank that handles by up to ten gallons of water, then this is your best bet. You’ll love its 3-stage filtration as this works to help keep the tank water filth-free and healthier for your goldfish to thrive in.

However, a couple of the weak points that you will need to deal with if you purchase this filter include its being a little intricate to get start back up whenever you execute water change. And, it operates quietly at first but it seems to generate some audible noise in the long run. You can give this product a try if these issues are not that disturbing for you.


  • Makes use of medium bio-bag cartridges
  • Practical to utilize for smaller fish tanks by up to 15 gallon fish tank
  • Guarantees silent mode of operation
  • Especially designed with 3-stage filtration feature
  • Filtration and suctions work exceptionally


  • A little tough to get start back up after water change
  • Not that quiet in the long run

2. Marina I25 Internal Filter


best filter for goldfish

Are you shopping for a gilt-edge aquarium filter for goldfish? Then, you can check this product out. If you prefer a filter that is convenient to use and manufactured with smart design, looking for other options is no longer necessary.

Many fish tank owners pick this product because it does a good job of eliminating foul smell and contaminants in tank water. And, if you intend to place it in your work area or bedroom, this won’t disturb you since it operates silently. You can clip it on and once unboxed; it already includes one power cartridge.

This filter offers you the option between fastening it through suction cups and clipping it on the edge of the fish tank. Since a lot of tank’s lids do not work for clipping stuff on the edge, being able to utilize suction cups is quite advantageous. Unlike other options, the cartridges are not messy and difficult to replace. Assembling it is a piece of cake even for first-timers.

On the other hand, this small filter does not have something on top of it which makes the filter pads exposed. Aside from this, there are only a few options for filter cartridges. These are just a few of the minus points that you can find if you choose this filter.


  • Ensures noise-free operation
  • Designed to be clipped on for fish tanks
  • Effective at getting rid of pollutants and foul smell
  • Promises trouble-free cartridge replacement
  • Already includes 1 power cartridge once purchased


  • Filter pads are exposed
  • Only limited options for filter cartridges

Overall, this is perhaps one of the most top-drawer filters that you can ever buy for a small aquarium. It is quiet too and can make consistent, bubbly and soft sounds that won’t cause any disruption even when you are busy doing your work in the bedroom or workplace.

3. Penn Plax Fishbowl Filter Kit


best filter for goldfish

Do goldfish need a filter in their tank? Well, the answer to this question is absolutely yes. If you want your pet fish to extend its lifespan, then you’ve got to purchase a stellar filter that could perfectly execute the job.

The air pump is noise-free, truth is, and the bubbles create more audible noise as compared to the pump. Moreover, the small bubbles rise up the hard tube, and then go through the filter and carbon and out the top, finally it pulls the water to get filtered and be freed of any filth. The adjustment valve works fine since you can control the bubbles. Meanwhile, the ring base is easy to adjust making it easy to fit a smaller fish tank or a fish bowl.

Sold at a cheap selling cost, this comes with lift tube, replacement filter cartridge and air stone. The filter plate is quite smooth sailing to adjust too. Don’t you think this is a cost-effective choice that won’t fail you?

Notwithstanding, this filter has the potentiality to gush stream boluses of air on the tank’s bottom and then release this in a huge belch so your pet fish is disturbed. And, it also comes with a little large air stone. These are a couple of the glitches that you have to inspect if you are looking to invest in this product.


  • Manufactured with easy-to-modify filter plate
  • Comes with air stone once unpackaged
  • Can fit any round or drum fishbowl that comes with 4” opening
  • Good value for the money
  • Includes replacement filter cartridge and lift tube


  • Tends to stream boluses of air that annoys betta fish
  • Comes with slightly big air stone

All in all, there are only a few tiny yet dependable filters available on the market these days and luckily this filter fits well in tiny fish tanks and fish bowls. Once you have this filter assembled in your mini aquarium, your tank remains clean for roughly a week between cleanings- this is what actually makes it a practical choice and good investment to consider. This is ideal for those who are searching for affordable yet functional and useful filter that won’t harm your fish tank inhabitants.

4. Bestgle Mini Filter Goldfish Bowl


best filter for goldfish

There is no need to further your search about fish tank filter for goldfish because this model can work like a charm. It is easy to use and is especially built with three-phase filtration system that ensures the tank water is clean and safe enough for your pet fish to dwell in. It is safe enough for your pet to live and helps increase the life of your Betta

It especially requires to be linked with an air tube and air pump but these are not included in the package once bought. This filter is not messy to tidy up and its bubble stone is meant to blow fresh air that will result to contaminant-free tank water. It is an awesome filter that is capable of creating a clean and risk-free environment for your pet fish. The air pump is linked to an air outlet, directly into the aquarium to utilize.

Furthermore, the bubble stone blows fresh air that would allow pollutant-free water and guarantees that fish can thrive in safe and sound haven that will allow them to grow healthily.

Nevertheless, this filter is not as small as expected and it is actually a little big for bowls. Also, the white filter mesh material appears delicate and easily damaged; hence, it must be handled with extra caution.


  • Highly recommended for tiny fish tank
  • Executes a superb job of keeping the fish bowl clean
  • No sweat to clean and spit
  • Manufactured with triple filtration system
  • Functional, noise-free and durable


  • White filter mesh material is quite frail and delicate
  • Not as small as advertised

Conclusively, this filter works as a very efficient filter system. And, it is reliable in that it helps keep goldfish bowl free of any pollutants and it seems durable, can deliver silent operation mode and is functional unlike other similar products out there. Its three-phase filtration system consists of activated carbon, quartz sand and cotton filters. Take note that this is manufactured for small fish tanks only.

5. Tetra Whisper In-Tank Filter with BioScrubber


best filter for goldfish

Buying fish filter for goldfish can be confusing sometimes given the limitless options that you can come across. But, if you prefer 2 filters in 1 design, then this is the most excellent bet for you. This filter can be used for many different sized aquariums, such as: 10 gallon fish tank, 20 gallon fish tank, 40 gallon fish tank, …

This in-tank filter is silent as long as your fish tank has water high up until where it is directed to be. It is plain sailing to maintain, the rate of flow is perfect for the size of the tank and there is ample space inside for additional filtration media in case you decide to add more. It is suggested to run a sponge filter together with this one for bigger tanks, this is to boost biological filtration and eliminate finer particulates.

What sets this filter apart from other similar options is that adding extra media provides surface area for good bacteria to thrive, and compels the rising air to alter directions, so this reduces the flow gradually. Over and above, the internal 27 GPH pump cycles a 4-gallon tank beyond six times per hour.

Howbeit, two of the irregularities that must be examined prior to buying this filter are its potentiality to generate distinctive humming noise which is contrary to what was advertised. Indeed, it seems cheaply made so it can’t be for long-term use.


  • Tiny filter cartridges can be immediately adjusted to low or high water levels
  • Designed with ultra-activated carbon that eliminates discoloration and foul smell
  • Manufactured with unique space-saving design
  • Comes complete with everything you need for setup
  • Cartridge floss captured fish waste and other residues


  • Tends to produce very strange humming noise
  • Seems not made to last for a long time

6. Penn Plax Cascade Hang-on Aquarium Filter

best filter for goldfish

Your pet fish will definitely thrive if you were able to get the best goldfish tank filter. Just like this filter from Penn Plax, this is a great value for the money since it is deemed as one of the best deals that are worth considering.

This is a prominent choice in that it is built with internal sponge that is meant to help maximize the settlement of good bacteria. And, its activated carbon cartridge is designed to eradicate fatal toxins, various sorts of chemicals, foul smells, discoloration and other pollutants for your fish tank.

The flow knob enables easy adjustments specifically in minimizing filtration during feeding periods or as necessary. Other than that, this tank filter is ideal for saltwater and freshwater uses. This filter is not tricky to install and the price is not so expensive especially to those who do not have more money to spend for a high quality filter.

Even so, you need to carefully inspect this filter prior to setting it up. The motor is known to be fragile as it does not last long. Also, the filter has the potentiality to overflow on the suction side.


  • Polyfiber floss cartridge catches floating particles
  • Capable of silently delivering 20 gallons per hour of clean water for saltwater or freshwater fish tank that can handle 7 gallons
  • Internal sponge helps maximize settlement of good aerobic bacteria
  • Designed with easy to adjust flow knob
  • Activated carbon cartridge eliminates harmful toxins, discoloration, chemicals and other pollutants


  • Appears to be made with poor quality motor
  • Filter overflows on the suction side

On the button, this product does A1 job of modifying the flow and it comes with ample amount of space where you can add your own filter media. As for the price tag, this is a great alternative and you can be guaranteed that you won’t waste any single cent for it. It is uncomplicated to set up and only requires swapping filter cartridges. This hang-on-back filter can operate without producing irking noise and can be the right solution to address and solve tank water issues right away.

7. Marina Power Filter

best filter for goldfish

If you find searching for filter media for goldfish quite exhausting, then you may put an end to your long search now and give this product the opportunity to disclose how practical it can be for your tank’s filtration needs.

This filter is perfect for a smaller fish tank. And, having it installed in your aquarium, there is no need to worry about leak issues. The easy to modify flow is literally practical, on minimal setting, you could barely hear waterfall sound and it won’t in any way disturb your pet fish. On the other hand, maximum flow forms a very awesome waterfall effect.

Interestingly, there is a nice current in the tank; however, it is mild enough that your shrimp, froggies and betta are not irked at all. For sure, you will enjoy viewing the water. Also, you’ll like the generous amount of space if you prefer to customize your filter media with three instantly accessed linked chambers.


  • Can filter fish tanks that contain by up to twenty gallons
  • Manufactured with easy to modify flow control
  • Easy to customize
  • Designed to be self-priming
  • Cleaning and maintain it is a breeze


  • Intake tube is quite close to the out flow
  • May pose some potential risks


Finally, after reading the product reviews and vital information discussed in this article, you may feel troubled at the thought of investing in the best filter for goldfish for your aquarium. This is normal particularly for beginners. You might have realized that it is not easy as it seems because you cannot just get anything that you see on a local fish store or online shopping site.

As what you have learned from this post, there are several options to check out, so to ensure buying the right filter for you tank, you must first weigh the pros and cons. Also, consider the buying guides shared here too, this is for you to be reminded of what factors and features to mull over before taking the plunge. After all, you surely wouldn’t want to put the life and health of your goldfish in danger.

The good news is that this article by Atlantico aims to ease your shopping experience. When you find the right goldfish filter, you can constantly use the same model and brand, and your fish will definitely thank you for that. Remember that the right filter plays an important role in helping your pet fish live a healthy and happy life in the tank.

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