The 8 Best 3 Gallon Fish Tanks in 2023 (Reviews & Buying Guide)

Day by day the popularity of keeping fish as a pet in an Aquarium has increased widely. It requires less money, effort, and time. But fish in a beautiful Aquarium looks really great and that is enough to please us. Kids are now even more excited to pet fishes in an Aquarium. So, today, I am here to introduce you to the 8 best 3 gallon fish tanks that you can buy to decorate your home or office or to present to your kids.

A buying guide is very essential for the people you have no experience with fish aquarium before. As beginners should always start with a smaller tank, I’ve added the buying guide factors and common FAQ at the end of this content. So, don’t miss any part if you wish to buy the most appropriate one for you. Well, first check out the reviews and details of the 8 best 3 gallon fish tanks.

Reviews of the Best 3 Gallon Fish Tanks

Here, you will find all the necessary details of 8 best fish tanks with 3 gallons of water containing capacity. It will help to choose the appropriate one for you.

1. Aqueon Betta Falls Kit

Aqueon Betta Falls Kit
  • Waterfall provides a constant flow of filtered water
  • Three separate compartments house up to three betta, small fish, or crustaceans

Let’s dig into Aqueon Betta Falls Kit which is widely used for its compact yet complete package. It comes with a very different design with all facilities needed to start any small aquarium journey. It suits any kind of setting and fits in a small space. You will surely love it for its outstanding design and easy maintenance services.

Size and Weight

This aquarium is 16.99 inches in length, 4.92 inches in width, and 11.15 inches in height. It weighs only 0.9 kilograms which is a very ideal size.

Unique design

The filter comes with a unique and standard design. It is uniquely designed to house three separate betta with a curved design.


 Three separated portions of the aquarium are made of glass. It is very durable and clearly visible from every side of the tank.

Powerful Filtration

A unique filtration system has been provided here. The waterfall provides a constant flow of filtered water and keeps the water fresh.

All-inclusive package

The Aqueon Betta set offers a lot. It comes with quietFlow Filtration; cartridge, food with water care samples. It is a complete package for an aquarium set.

Good for Decoration

This aquarium set is too good for decoration for its three-part separation design. You can place it anywhere you want to.


  • It comes with everything you need for a perfect aquarium.
  • It is very lightweight and suitable for home and office.
  • This set has a fill indicator window which shows the internal water level at a glance
  • The frosted panel inside the tank prevents fish from seeing one another.
  • An ideal home for small fishes and easy to maintain.


  • Needs to improve the filtration system.

Our Thoughts on Aqueon Betta Falls Kit

This tank is different from other aquariums. You will have a great view of your favorite fish. The transparent waterfall design makes it more appealing and unique. Besides, it is quite cheap and handy.

That’s the reason I will suggest it to any type of user also for its easy setup procedures and rare outlook. No doubt this aquarium will last for a long time with proper maintenance.

2. Koller Products AquaView 3-Gallon 360 Aquarium

Koller Products AquaView 3-Gallon 360 Aquarium
  • Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish; choose daylight white,...
  • Aquarium lights can be turned on or off for easy night time operation

Check out, Koller Products AquaView 3-Gallon 360 Aquarium which is used by thousands of satisfied customers. It is a very reliable name in the compact fish tank genre. It offers contemporary design with a highly durable package containing superior built materials. It is one of those aquaria which are built to last.

Size and Weight

This aquarium’s length is 10.25 in length, 10.25 in width, and 14.5 in height. It weighs only 1 pound which is very lightweight.


The fish tank is made of impact-resistant plastic which prevents water leakage. It looks very clear both from inside and outside.

Trendy Design

The aquarium comes with a very trendy design. It is a 360-degree tank and it looks so good wherever you keep it. It can be so calming and relaxing to watch at the aquarium.

Advanced Filtration

An internal powerful clean system cleans and purifies has been provided here. The premium activated carbon eliminates organic pollutants that can degrade water quality and cloudiness.

Leakage-proof Structure

The one-piece construction makes the tank strong and durable. Unlike the glass tanks glued together with silicone, this break-resistant plastic tank helps from leakage.

Led light

This aquarium comes in 7 different colors, blue, green, purple, red also daylight white colors. It is very pleasing to watch and there also provided a color selection system.


  • It comes in an affordable package.
  • The size of the aquarium is perfect and suitable for both office and home decoration.
  • It is very easy to maintain the aquarium and doesn’t require any complex procedures.
  • It comes with a high-quality filtration system and removes all the inner dirt from the filter.
  • 7 colors of high quality led lights to make the filter look amazing.


  • We didn’t find any serious issues with this product.

Our Thoughts on Koller Products AquaView 3-Gallon 360 Aquarium

Don’t just rush towards the stores to get it, check out the positive reviews from the real users. We will surely keep it in our top charts and suggest to all types of users for its outstanding durability. Its compact package will also encourage you to pick it.

Yes, we will suggest it, if you want a small-sized aquarium in your sweet home or office desk. It will fit into any modern indoor settings and elevate the overall outlook.

3. Koller Products AquaView 3.5-Gallon Fish Tank

Koller Products AquaView 3.5-Gallon Fish Tank
  • FUN and REWARDING: Are you looking to buy an aquarium for your family? If you are, you are going to want to look at this...
  • DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish, choose...

Well, the next tank is for those who are looking for a fish tank slightly bigger than an exact 3-gallon tank. It’s just a 3.5-gallon fish tank and so, you can consider it as one of the best 3 gallon fish tanks. However, it is Koller Products AquaView tank. There are some extraordinary features available in this tank that make me listed it here. Let’s learn the details.

Size and Weight

The size of this tank is almost 11.25 inches long, 8.75 inches wide and 13.5 inches high. It weighs around 3.8 pounds. It can fit in any indoor area.

Powerful Filtration

The heavy-duty cartridge of this tank purifies the aquarium at a rate of 25 gallons per hour. Organic pollutants and fish waste are totally cleaned.

Fish Variations

This aquarium can be just like habitat for different types of water creatures like Snails, Mollusks, Octopus, Goldfish, Betta fish, Cichlid fish, Invertebrate fish, Algae eaters, Fish, Rays, Sharks, etc.

Stunning LED lights

Besides having the day-night effect with these LED lights, there will be 7 different color selections with 4 transitions. These long-lasting lights are also energy saving.

Design and Durability

Instead of glass, this tank is made of plastic but its clarity isn’t less than glass at all. This stunning design is equally long-lasting as it’s glued up with silicon.

Complete Package

A full package of the aquarium has bunches of things like a fish tank, LED lights, power filter, full hood, filter cartridge and uses setup instructions.


  • You will get a 180-degree optimal paranormal view of your aquatic pets.
  • LED timer is attached to allow you to set a timing period for changing light colors.
  • The cartridge has got poly fiber fly ash and activated carbon.
  • There are seven colors of LED light for more variation.
  • You can use this tank for multiple purposes.


  • This tank is slightly bigger than a 3-gallon fish tank.

Our Thoughts on Koller Products AquaView 3.5-Gallon Fish Tank

Just a 0.5 gallon bigger in size won’t be the cause for why you are not going to try this. Once you have a look over the tank design, I bet you cannot help taking it to increase the delicacy of your home.

This covenant tank comes with everything you need to set it up. Even, you’ll get a setup guide to understand the setting. Besides, it is quite a pocket-friendly tank that comes with rich features. I am pretty sure that you will love it in no time.

4. Fluval Spec III Aquarium Kit

Fluval Spec III Aquarium Kit
  • 2.6-gallon etched glass aquarium with aluminum trim
  • High-output 7000K LED with all-aluminum, waterproof casing for enhanced plant growth and fish colors

If you are looking for a tank with the most stylish appearance and standard size, then you can try Fluval Spec III Aquarium Kit. Fluval Spec is also a very popular Aquarium kits supplier. And this tank, I am recommending, will definitely blow your mind. It’s handy and very suitable to provide accommodation for tiny size fishes especially shrimps. So, let’s see how it got my attention.

Size and Weight

The length is 10.8 inches and the width is 7.8 inches with a height of 8.7 inches. The weight of this tank is around 2.2 kilograms.


Supreme 3 stage filtration system ensures a clean and clear environment inside the aquarium. A circulation pump with an output nozzle provides mechanical, chemical, and biological purification.

Colors and Materials

This aquarium comes in both black and white colors. It is made of glass with aluminum trim so it gives you a crystal clear view just like an underwater environment.

Fish Variations

Different types of aquatic creatures such as fish, mollusks, goldfish, algae eaters, invertebrate fish, cichlid fish, snails, bottom-feeder fish, betta fish, octopuses, rays, and even sharks can be kept in this aquarium.

Complete Package

In the package not only comes the aquarium with a cover but also a low voltage transformer, LED lighting system, foam filter block, circulation pump, carbon, and bioMax insert, and whatnot.


  • The tank has got stylish honeycomb design for back filtration which it conceals.
  • It has a capacity of carrying 2.6 gallons of water.
  • The lighting system is 20% brighter so the fish color and plants look better.
  • There are 31 LED lamps that provide beautiful illumination.
  • Low voltage transformers help you with easier maintenance.


  • It isn’t completely a 3-gallon fish tank but the capacity is slightly shorter and it is 2.6 gallons actually.

Our Thoughts on Fluval Spec III Aquarium Kit

You must see the image of this charming fish tank. It’s not just looked too good but it’s just an expert to keep your fish healthy and happy. The light on the top of the tank even brings a great look at night. That’s why people consider it as one of the best 3-gallon fish tanks still it doesn’t have exactly 3 gallons of capacity.

However, the capacity won’t matter when you prioritize its appearance and other great features. You can keep it in your home or office. Also, you can give this tank to your kids. I don’t think it’s a bad idea either.

5. Koller Products AquaView 3-Gallon Fish Tank

Koller Products AquaView 3-Gallon Fish Tank
  • Energy-efficient LED lighting with 7 dazzling color choices to brightly illuminate your fish; choose daylight white,...
  • Powerful internal power filter cleans and purifies aquarium water at a flow rate of 25 gallons per hour, effectively...

If you are looking for a bowl size round shape fish tank that comes with an adjustable lid and power filter then I have something great to introduce you with. And this time it is a product from AquaView. You must be familiar with this Aquarium supplier as it is very famous around the world. However, Koller Products AquaView 3-Gallon Fish Tank is the round shape Aquarium tank that is also known as one of the best 3-gallon tanks.

Size and Capability

The dimension of this aquarium covers 11.5 inches in length and 11 inches in both height and width. It can hold up to 3 gallons of water as it is shown.


With a rate of 25 gallons per hour, the aquarium has a builtin compact filtration system. So you can be tension free about the pure environment inside the tank. It also increases the oxygen level.

Materials and Design

Impact resistance plastic is used as the main material for this tank. The round sleek designed aquarium with a clear view from every angle is suitable for home and office or dorms. And definitely, this fish tank will increase the delicacy of the place.

Various LED lights

You will get 7 different colors for LED lights in this tank. The color combination and 4 transitioning brighten the overall tank and creatures inside it. That’s why it looks just like something heavenly at night.


As it isn’t glued with silicone like glass so it has a strong structure without any leaks in the corners. Plastic is break-resistant which makes it durable. And so, you can be assured to have a long-term service from this tank.

Complete Package

This aquarium brings a fish tank, internal power filter, full lid, filter cartridge, setup manual with it. So you don’t have to bother buying extra accessories. This is the reason, this tank is highly recommended for beginners.


  • This aquarium is designed for water creatures like Fishes, Betta fish, Tropical fish, etc.
  • It can be easily set up and maintained.
  • The LED lights are energy saving as well as brightly illuminating.
  • The strong structure with plastic provides a clear view.
  • Internal filtration keeps the tank clean and clear.


  • As it is not a very big tank, you cannot provide housing for a turtle.

Our Thoughts on Koller Products AquaView 3-Gallon Fish Tank

This is a tiny size water tank that is recommended for shrimps and other little fishes. For a turtle, you need a 20-gallon fish tank at least. However, for kids, this tank is just perfect and you can surprise them with it.

It is easy to carry and very nice to increase the elegance of your home. Moreover, it is not very costly. So, the shape is not a problem for you, I can assure you that it will be the right pick for you.


6. Aqueon Tri-Scape LED Aquarium Kit

Aqueon Tri-Scape LED Aquarium Kit
  • Hood is equipped with concealed LEDs
  • Pre-loaded with Aqueon replaceable x-small carbon cartridge

Here is another compact 3 Gallon sized fish tank from Aqueon. It is known as Aqueon Tri-Scape LED Aquarium Kit and comes in a sleek and stylish design. This one also offers a transparent and full view. You will like its complete package which is ready to use once you buy it. It is a great choice for office settings.

Size and Weight

The dimension of this Triangular Aquarium is 17.32 inches in length, 16.14 inches in width, and 17.72 inches in height. The weight is around 8.75 pounds.


The internal filter supports a Pre-loaded Aqueon replaceable x-small carbon cartridge and it helps to remove all the hazardous elements in the water.

LED Light

You will find a soft white LED light hidden in the wood but enlightens each corner of the aquarium. As the light is fitted far away from the surface of the water so your inhabitants won’t be harmed.

Complete Package

This aquarium set includes a setup guide, fish food sample along with water care sample. So, you don’t have to buy anything else except the fishes you want to pet for the tank.


Aqueon Tri-Scape Kit is already renowned for its gorgeous appearance. As the aquarium is manufactured with glass so you can enjoy a wide view area from different angles. The size of this glass kit is not recommended to pet numerous Fish.


  • x-small carbon cartridge helps to keep the water odor-free.
  • Through the wall of the glass aquarium you can notice clean lines and a small footprint.
  • The stylish Triangle design enlarges the beauty of home and office.
  • A proper setup guide is there to help the first time aquarium holder.


  • You might face trouble because the size is not compatible with a larger aquatic pet.

Our thoughts on Aqueon Tri-Scape LED Aquarium Kit

It is very modern and comes in a lightweight package. This aquarium fits in all kinds of indoor settings. The quality of the fish tank is top-notch and requires minimal maintenance procedures.

I will suggest it to all types of users whether novice or seasoned experts. It is capable of elevating any kind of contemporary indoor setup. You can try it without any doubt.

7. GloFish Aquarium Kit Fish Tank

GloFish Aquarium Kit Fish Tank
  • 3 gallon half moon aquarium with blue LED bubbler to enhance the colors of GloFish fluorescent fish
  • Includes: Tetra air pump, Tetra Internal filter, small filter cartridge, 6 blue LED airstone, airline tubing and airline...

You must be familiar with GloFish as the most popular Aquarium kit manufacturer. Then how can I not list one of its tanks? Well, I can’t. Meet GloFish Aquarium Kit Fish Tank. It is well-known as one of the best 3 gallon fish tanks for home and office use. There are some basic features of this tank that will blow your mind. Let’s have a look over them.

Size and Weight

This spiffy fish tank is approximately 6.88 inches in length, 12.5 inches in width, and 4.7 inches in height. You will find this Aquarium only 4.7 pounds so you can easily handle the weight.


Along with other advantages you will be benefited from Tetra Internal Filter and Tetra small filter cartridge. Tetra Internal Filter will allow three-stage filtration which will remove biological and mechanical dirt. Thus, it will help you to keep your aquarium water crystal clear.

LED Light

6 Blue LED Airstone is ready to give you a gorgeous look at your aquarium. The blue light brings more attention to the beauty of GloFish fluorescent fish.

Fish Variation

The aquarium is only capable of pet GloFish fluorescent fish and they are highly adopted by hobbyists. These fish can absorb the light in their body and then re-emit it due to a fluorescent protein gene. There are three species that can adapt to this tank and they are GloFish Danio, Glofish Barb, and GloFish Tetra.

Complete Package

This 3-Gallon Half Moon Tank includes all the necessary components like Tetra Air pump, Airline Tubing, Airline connector valve, GloFish food, color booster, GloFish water conditioner, etc.


  • The color booster makes a balance of PH in the water and clears nitrate.
  • GloFish water Conditioner will be there to aid the immune system and reduce stress.
  • Tetra water filters will ensure environmental safety in your water tank.
  • Tetra Air pump will provide a powerful but quiet airflow.
  • As the GloFish reflects the light so the kit can be decorated in both office and home.


  • Other inhabitants except for the mentioned 3 ones, can not stay comfortably here.

Our Thoughts on GloFish Aquarium Kit Fish Tank

Just look over the price and tank design here. I am sure that you will understand the reason why I strongly recommend this tank. Not just me, for most of the experts, it’s one of the best 3 gallon fish tanks for its excellent features and appealing outlook.

This budget-friendly fish is just like a complete package. You don’t have to buy anything except the fishes you love to pet here. So, if you are a beginner, there will be no better pick over this one.

8. Koller Products 3-Gallon Fish Bowl

Koller Products 3-Gallon Fish Bowl
  • Ideal for home decor, weddings, crafting and centerpieces
  • Fill with fresh flowers, silk flowers, potpourri, glass beads or decorative marbles or use as a fish bowl

Koller Products is always good at producing tiny size fish tanks and bowls. You have already been introduced to some of the best 3 gallon fish tanks by Koller. And the last recommendation will also be from the same brand. This time, it’s a bowl and it is a Koller Products 3 gallon Fish Bowl. If you are very much fond of a circle-shaped bowl style fish tank, then you shouldn’t skip the following details of this product.

Size and Weight

The fishbowl is nearly 11.25 inches in length, 11.25 inches in width, and 11 inches in height. The round-shaped bowl is only 0.8 pounds in weight. As it is very light in weight you carry it to any place.


This fishbowl is made with acrylic plastic. But I can assure a great clarity of it. The crystal clear surface of this fishbowl will soon make you convinced that it is made of glass.


The 3-gallon round fishbowl is an ideal choice for home decorating, wedding, or any other ceremony. As the bowl is crystal clear so the beauty of your aquarium fish can be notable from any corner.

Leakage-proof Structure

One-piece construction will ensure intense durability. The bowl is made of plastic and so you will hardly find any leakage problem.

Variants of Fish

This elegant fishbowl is not very big and so you can only pet small-sized fish. You can assure accommodation for Betta, Neon Tetra, Fancy Guppies, Zebra, Danios, etc.


  • The manufacture of this bowl won’t cause any damage as it is made of plastic.
  • You can beautify the bowl with fresh flowers, silk flowers, marbles, and potpourri.
  • This fishbowl is completely shatterproof so you won’t face any damages.
  • As it is lightweight so you can replace anywhere in your place.


  • The material is accused to be an enhancer of diseases like cancer and reproductive harm if you come in direct contact with it.

Our Thoughts on Koller Products 3-Gallon Fish Bowl

Hopefully, after learning about the last recommendation, you have no wish to see any more. This excellent fishbowl is quite durable and the clarity is very appreciable. Because of its material, your kids cannot break it too easily.

Besides, it is quite cheap in price and you can decorate your home or office with it. You can also decorate it with different Aquarium ornaments. So, check your budget and taste of tank design. If all of these requirements match with this tank, then just go for it.

Buying Guide for The Best 3 Gallon Fish Tank

This part is especially recommended not to skip for the beginners. If you are planning to start having an Aquarium experience, you should start buying a comparatively smaller one. A 3-gallon fish tank is just a standard size for that. Check out the following suggestion to find out the best 3-gallon fish tank for you or your kids.


Generally, you’ll get a fish tank of 2 different materials. They are glass and acrylic plastic. As usual, you can get a 3-gallon fish tank with any of these two types of materials. Glass tank is better to look at and it makes the water less dirty. But an acrylic tank is less crackable and lighter in weight.

Weight and Design

Generally, a glass tank is heavier than an acrylic tank. The design also matters here a lot. If you buy just a tank, it will be less heavy. But if it comes with different structures with lids and other decorations, it will be heavier as usual. You can find a 3-gallon fish tank with different designs and shape too.

Easy Setup

You should always buy a fish tank that is easy to set up. A 3-gallon fish tank is generally not a very big size. So, there will be fewer Aquarium kits adjacent to it. Besides, many fish tanks provide setup guides. It will make the process easier for you.

Easy Maintenance

A 3-gallon fish tank generally isn’t very big in size. So, it will have low maintenance. But there are some tanks available in the market with a complex design and so, they require high and tough maintenance. So, be aware of that.

Lightning and Filtration

Think if you want a tank with proper lighting and filtration. There are lots of 3-gallon fish tanks that come with a complete package. You can try out one of them. But you will not get any extra lights or filters if you try a fishbowl.


Think about where you are going to place your favorite fish tank. And then choose the appropriate size and shape. You should buy a tank that occupies less space so that you can place it anywhere and everywhere.

So, check out the mentioned issues to find out the most appropriate 3-gallon fish tank for you. Otherwise, you may end up buying the wrong product.


Q: What are the best 3 gallon fish tank brands?

A: Aqueon, AquaView, and GloFish are the best 3 gallon fish tank manufacturers.

Q: What is the best 3 gallon fish tank?

A: Koller Products AquaView 3-Gallon 360 Aquarium and Aqueon Betta Falls Kit are known to be the best 3 gallon fish tanks.

Q: What kind of fish can I put in a 3 gallon fish tank?

A: You can pet any little fishes including Salt and Pepper Cory, Zebra Danios, White Cloud Minnows in a 3-gallon fish tank.

Q: Can I keep a turtle in a 3 gallon fish tank?

A: A turtle of only one inch in height required around 10 gallons of water. So, a 3 gallon fish tank can’t provide enough space for a turtle.

Q: How many shrimps can I keep in a 3 Gallon Fish Tank?

A: Shrimps don’t require too much space in an Aquarium. You can keep around 30 shrimps in a 3 gallon fish tank.

Q: How much heavier a 3 gallon fish tank can be?

A: A glass made 3 gallon fish tank can be from 4 to 12 pounds. But if it’s an acrylic fish tank, then it will be no more than 2 pounds.

Q: What is the approximate cost of a 3 gallon fish tank?

A: Different fish tanks offer different prices but you can get it for less than a hundred dollars.

Q: Where can I buy the best 3 gallon fish tank?

A: You can buy a 3-gallon fish tank from your nearby Aquarium stores or from any authentic online marketplace like Amazon or eBay.

Final Verdict

I’ve tried to list the best 3 gallon fish tanks with different features and designs. Hopefully, it will make your search easier and you’ve already got the most appropriate 3 gallon fish tank for you or your kids. If you are a beginner, don’t forget to check out the buying guides and necessary question and answer sector. It will definitely help you to get the best one.

So, share your experience with the best 3 gallon fish tank you’ve selected from the list and buy. Remember that fish is the most pleasant pet that requires less effort, money, and time. So, wish you good luck to make new accommodation for your adorable aquatic pet. For staying with us this long, you are thanked a million times.

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