Best 3-Gallon Fish Tank & Buyers Guide

Having a pet fish is among the most common childhood must-haves. However, it isn’t only for children. This is because most people think that taking care of fish is easy and low-maintenance. Contrary to that belief, however, although fish are easy to care for, they aren’t exactly low maintenance. When taking in fish for pets, owners must be aware of the fact that they live in a completely different habitat, moreover, in an enclosed one.

Thus, all of their basic needs are wholly dependent on what the pet owner provides. This includes their food, water, and proper living space. Most fish are kept in tanks, but not everyone is aware that a good tank makes a difference in making fish happy. With that said, it is only right for owners to get the right tank for their fish to have a proper habitat.

Cheap & Good

Our Favorite

Customers Choice

Product

Koller Products Aquaview 3-Gallon Fish Tank

Koller Products AquaView 3-Gallon 360 Aquarium

MarineLand Contour Glass Aquarium Kit

Size

5 x 11 x 11 inches

25 x 10.25 x 14.5 inches

5 x 10 x 10 inches

Capacity

3 Gallons

3 Gallons

3 gallons

Weight

2 lbs

1 lbs

8 lbs

Color

Black

Black

Black

Our Rating

Why should I choose a 3-Gallon Aquarium?

There are as many fish tank options in the market as there are fish in the sea. Choosing the right fish tank size for you is as hard as choosing what clothes to wear on a Saturday night.

You have to think about its longevity, the number of fish you want, your overall experience in taking care of fish, your budget, andmanyt more things before you candecidef what tank to buy.

For now, let us tell you why a 3-gallon aquarium is the perfect one for you.

Compactibility

Having a large aquarium like a 30-gallon fish tank around the house can be really hard at times. If you ever decided to move your aquarium to a different location, you would need at least one other person to help you out due to its massive weight and size.

Attempting to move it yourself might result in you dropping it and wasting your money; unlike with purchasing a 3-gallon tank, which is very compact and allows you to easily move it from one place to another without much effort.

Unless you have a large space in your living room or wherever you decide to place your aquarium, having a large tank could be very space consuming, unlike having a 3-gallon tank, where you can place basically anywhere.

Cheap Option

If you’ve just started in the fishkeeping world, you would realize that it could get pretty expensive. When you have fish, you have to purchase things like a water conditioner, a fish filter, an aquarium heater, an air pump, substrates, aquarium test strips, appropriate lighting, and fish food.

All these expenses could easily add up and will cost you a lot of money. To put it simply, a smaller aquarium means less fish, and fewer expenses because the bigger your aquarium is, the more your fish’s upkeep is.

Child-Friendly

Growing up with pets is important for children to help them learn about responsibility, take care of the things they have, and satisfy their curiosity. When doing this, it is always important to boost their morale by setting them up for success by ensuring that their responsibilities are something that they can handle. By purchasing a bigger fish tank for kids would mean that there would be more fish to take care of, a harder time cleaning the tank, a lot more attention, and more room for mistakes. By buying a 3-gallon fish tank, a child would have an easier time caring for his fish.

How do I choose the best 3-Gallon Fish Tank?

Choosing the right tank for you could get tedious. You have to consider questions like how long you will use it, there children that might break it, or how much you’re willing to spend. For you to have an easier time in choosing the right tank, we have compiled a list of things to consider before purchasing a tank:

Material

The 3-gallon aquarium class usually comes in either glass or acrylic. Glass tanks, although clearer and have a better view of your fish, are easier to break. On the other hand, an acrylic tank is more durable and could withstand a higher force than a glass tank. To make a decision, you have to consider factors in your house like kids or pets that might hit or knock over your fish tank. If yes, then the sturdier acrylic tank is the one for you, but if you think that your tank would be safely placed out of reach from such factors, then the clearer glass tank is a better choice.

Quality

When buying anything at all, it is important to make sure that the product will last you a long time, and when buying a fish tank, this is also true. Your fish tank, if not replaced, could be the first and last home your fish will ever know. That is why before you purchase one, make sure to check if the company you’re buying it from is a reputable one and that the fish tank’s review is good.

Budget

It is important to be realistic and define your budget as soon as possible. This would, in turn, save you more money in the long run. If you have a larger budget, then opting for a tank with complete accessories and features will save you time and effort. Still, if you are on a tight budget, you should consider getting a cheaper tank and invest more in filters, heaters, and other aftermarket accessories that will keep your fish healthy.

Design

Before buying a tank, you should think about how it will fit in your house’s overall interior decor. By purchasing a tank that would complimentyyour house’s themewill elevate your home’s overall style. When judging an aquarium by its design, consider its lighting options and color.

Dimensions

When purchasing a 3-gallon aquarium, there usually isn’t any problem with where it would fit because of its general compatibility. To ensure perfect placement, check the dimensions indicated in the description of the aquarium you want to buy and measure the dimensions in the place you want your aquarium to be placed before purchasing.

Type

Fish tanks often vary in usage, and depending on the fish that you want to keep, there would be a certain fish tank for you. Some types of fish tanks include tropical marine tank, brackish tank, coldwater marine tank, reef tank, tropical freshwater tank, cold water tank, and a lot more. Keep in mind that there are specialized aquariums to suit your fish-keeping needs.

Lighting

Lighting is a very important commodity for any fish keeping enthusiast. Having great lighting greatly improves your fish tank’s overall appearance. There are also many lighting options, from the generic RGB lighting to moonlight/sunlight lighting, etc. On the other hand, other people prefer to set up their own lighting to grow live plants within the enclosure. Find the lighting that best suits your style.

The best 3-Gallon Fish Tanks in 2021

After intensive research to find out the best 3-gallon fish tank, we have narrowed them down to eight aquariums. These tanks come from companies that have proven their worth in the fishkeeping community by producing the best products for fish enthusiasts worldwide. These aquariums are also aquariums that were proven and tested time and time again throughout the years and have still come up on top

So to finally put an end to the suspense, here are the eight best 3-gallon fish tanks in 2021.

 

1st Koller Products AquaView 3-Gallon 360 Aquarium

Specifications

  • Dimensions: 25 x 10.25 x 14.5 inches
  • Weight: 1 Pound
  • Size: 3 Gallons
  • Color: Black
  • Lighting: LED
  • Material: Impact Resistant Plastic
  • Shape: Cylindrical
  • Age Range Description: Beginners to Advanced
  • Comes With: Lid, Power Filter, LED Lighting, Koller Products XS Filter Cartridge, Fish Tank

This aquarium is great for parents thinking about teaching their kids about responsibility by giving their kids their first pet fish. With its very trendy overall design, easy-to-use filter cartridges, complete filtration, and multiple lights to choose from, it can become a very good addition to your home.

Pros:

  • Easy to maintain
  • Good for kids
  • Trendy design
  • Very light

Cons:

  • Small Space
  • Finite number of fish
  • Not recommended for advanced fish keepers.
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2nd Tetra LED Cube Shaped 3-Gallon Aquarium

Specifications

  • Dimensions: 51 x 10 x 10 inches
  • Weight:4 pounds
  • Size: 3 Gallons
  • Color: Black
  • Lighting: LED
  • Material: Glass and Acrylic
  • Shape: Square
  • Age Range Description: Adult
  • Comes With: Low Voltage Power Adapter Setup Guide, Tetra(R) Whisper Bio-Bag Small Cartridge, Whisper(R) Power Filter, 3-Gallon Cube Aquarium, Pedestal Base, Led Light.

The Tetra Cube Aquarium Kit’s compatibility allows it to be stored basically anywhere. It could be your office, your classroom, your room, and it would fit in perfectly. Its sleek acrylic design gives you a clear panoramic view of your very own underwater wildlife. It’s as if seeing your fish in their natural habitat in the coral reefs. Because of the kit’s Tetra 3i filter, it keeps the water clean and gives your fish a great place to live in. The kit also includes a very convenient feeding hole to make sure you can feed your fish with ease. The Tetra Aquarium kit is known for its good quality and reliability to ensure its long-lasting usage. Its long-lasting ability stems from the aquarium and its cover being very resistant to shattering.

Pros:

  • Convenient size
  • Shatter-proof
  • Great panoramic view

Cons:

  • Using replacement filter cartridges resets the tank cycle which might lead to harming the fish.
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3rd Tetra ColorFusion Starter Aquarium Kit 3 Gallons

Specifications

  • Dimensions: 88 x 12.5 x 12.9 inches
  • Weight: 1 pound
  • Size: 3 Gallons
  • Color: Black
  • Lighting: LED
  • Material: Acrylic
  • Shape: Half Moon
  • Age Range Description: All
  • Comes With: Aquarium Kit, Bubble Curtain, Filter, Air Pump

Tetra has been known for ensuring its customers with high-quality and performance products for decades now when it comes to the fishkeeping industry. For beginners and long time fishkeeping enthusiasts alike, they have been trusting Tetra because of its cutting edge Filtration System Technology. This is why the Tetra ColorFusion Starter Aquarium Kit is a very popular choice for a beginner aquarium. Due to its stylish design and being equipped with the power of the ColorFusion LEDs that illuminate the bubbles in different colors, it is truly a wonderful aquarium to begin your fish-keeping journey.

Pros: 

  • Illuminating bubbles
  • Stylish design
  • Compact

Cons:

  • Comes with a small filter.
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4th Koller Products AquaView 3.5-Gallon Fish Tank

Specifications

  • Dimensions: 25 x 8.75 x 13.5 inches
  • Weight: 8 pounds
  • Size: 5 Gallons
  • Color: Black
  • Lighting: LED
  • Material: Impact Resistant Plastic
  • Shape: Semi Circular
  • Age Range Description: 13+ to Adult
  • Comes With: Fish tank, Power Filter, LED light, Koller Products XS Filter Cartridge, Full Hood, User Set-Up Instructions

The AquaView 3.5-Gallon Fish Tank is equipped with an energy-saving led lighting with seven colors to choose from and 4 transitional color combinations, which you can change to your pleasure depending on your mood throughout the day. It also includes an internal power filter that will ensure your fish’s health because of the fish tank’swater’s cleanlinessr.TThisle who want to watch their fish for stress relief after a long day’s wor because of the tank’s clarityk. This fish tank was also desig because of the tank’s clarityned for an uncomplicated setup and maintenance.

Pros:

  • Leak-proof for a peace of mind
  • Premium filter cartridges
  • Trendy design for family enjoyment.

Cons:

  • Could get cracked after multiple drops.
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5th MarineLand Contour Glass Aquarium Kit

Specifications

  • Dimensions: 5 x 10 x 10 inches
  • Weight: 8 pounds
  • Size: 3 Gallons
  • Color: Black
  • Lighting: Rail Light
  • Material: Cotton
  • Shape: Square
  • Age Range Description: Adult
  • Comes With: Daylight/Moonlight LED Rail Lights, Aquarium Kit,

MarineLand has been serving the fishkeeping community by producing good quality products for over 40 years now. With that said, any product they make is sure to satisfy any customer, beginner, or veteran. This 3-gallon kit from MarineLand is a work of art for it features a 3-stage advanced filtration system: the mechanical filtration, which cleans out dirt and debris, the chemical filtration that removes odors, discolorations, and impurities and the biological filtration that cultivates aerobic bacteria that eliminates toxic nitrate and ammonia. If this is not enough reason to purchase this kit, its LED lighting system with its rail light will surely get you hooked.

Pros: 

  • Easy setup
  • Has a rail light
  • Has a hidden filtration system
  • Its glass canopy provides uncomplicated feeding.

Cons:

  • A little heavy
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6th Koller Products Aquaview 3-Gallon Fish Tank

Specifications

  • Dimensions: 5 x 11 x 11 inches
  • Weight: 2 pounds
  • Size: 3 Gallons
  • Color: Black
  • Lighting: LED
  • Material: Impact-Resistant Plastic
  • Shape: Round
  • Age Range Description: 13+ to adult
  • Comes With: Fish Tank, User Set-Up Instructions, Internal Power Filter, Filter Cartridge, Full Lid

If you are looking for a new hobby and decided that fishkeeping interests you, then the Koller Products AquaView Fish Tank is the perfect onu. This fish tank includes an energy-saving LED lighting system with seven different colors to choose from, plus transitioning and color combinations that illuminate your tank. This kit also includes an internal filter with a 25-gallon per hour flow rate. With all these features watching your fish swim in a tank like this will greatly lessen your stress levels and greatly improve your overall mood.

Pros:

  • Promotes wellness benefits
  • Multiple LED colors
  • Powerful internal filtration
  • Leak-proof assurance

Cons:

  • Does not have built-in heating
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7th Aqueon Led MiniBow Aquarium Starter Kit

Specifications

  • Dimensions: 11 x 7.38 x 11.75 inches
  • Weight: 8 pounds
  • Size: 5 Gallons
  • Color: Black
  • Lighting: LED
  • Material: Acrylic
  • Shape: Square
  • Age Range Description: 13+ to adult
  • Comes With: Fish Tank, User Set-Up Instructions, Food And Water Care Samples, Filter, Filter Cartridge, Full Lid

Most people who get into the aquatic hobby usually start with a betta, but with the Aqueon Led MiniBow, you don’t have to put up with just a simple bowl. This aquarium offers LED lighting that will surely give your first betta a stylish and attractive habitat. Due to its compatibility and lightness, this aquarium could be placed anywhere from your desk to a random corner in your house.

Pros:

  • Easy to assemble
  • Good for beginners
  • Low noise level.

Cons:

  • Does not have filter sponges to cover the vents
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8th MarineLand Silhouette Aquarium Kit 3 Gallon

Specifications

  • Dimensions: 13 x 13.63 x 12.25 inches
  • Weight: 12 pounds
  • Size: 3 Gallons
  • Color: Black
  • Lighting: LED
  • Material: Cotton
  • Shape: Square
  • Age Range Description: Adult
  • Comes With: Fish Tank, User Set-Up Instructions, Food And Water Care Samples, Filter, Filter Cartridge, Full Lid

If you want a 3-gallon aquarium that also serves as a piece of art, then this is the aquarium for you. The MarineLand Silhouette Aquarium Kit with 3 Gallons comes in a glass container with a sleek glossy outer layer finish. This modern aquarium also offers an LED Daylight/Moonlight setting that creates a whole mood for your aquarium.

Pros:

  • Easy setup
  • Has a rail light
  • Has a hidden filtration system
  • Its glass canopy provides uncomplicated feeding.

Cons:

  • Bigger and heavier than most of the other aquariums in its class.
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Other Uses for a 3-Gallon Fish Tank

Since you’ve opted for a small-sized fish tank, it is best to ensure you have the necessities placed in before thinking solely about how you want it to look. That being said, there are uses for a 3-gallon fish tank.

Here is a list of other ways we can use a small fish tank:

Nano Tank

Although there is no universal definition ofa nano tank, it is commonly understood as a small tankwiwith less than ten gallons. When you have a nano tank, you will only be limited to small species of fish with only one beta.

Paludarium

Instead of using a fish tank for fish, who’s to stop you from using it to cultivate plants? It is pretty common for people to buy 3-gallon fish tanks and fill them with a collection of plants.

Quarantine Tank

If you have multiple fish in bigger tanks, it could be a big problem if there were to be an outbreak of diseases. This could easily spread to all your fish and would put their lives in danger.

If you have spotted symptoms in a particular fish, it is best to isolate it in the 3-gallon quarantine tank and wait for it to get better before moving it back along with the other fish. This would protect the other fish and stop them from spreading unwanted diseases.

Feeder Fish

Live stock is a very healthy diet for larger fish. You can cultivate your own livestock by purchasing a 3-gallon fish tank and keep feeder fish which are smaller fish that you feed to larger ones.

Breeding Tank

Small tanks are perfect breeding grounds since most fish are juveniles, which means they are small enough to fit comfortably in a 3-gallon enclosure.

If one of your fish gets pregnant, it is recommendable for it to be moved to a 3-gallon tank. After they give birth, you can still keep the juveniles there until they outgrow the tank.

How many Fish can I keep in a 3-Gallon Tank?

In the fishkeeping world, you will be surprised by the number of different breeds and species of fish. There are tons of fish to choose from, butyyou can keepeeps a finite number of fish in a 3-gallon tank.

When choosing the proper fish for your 3-gallon tank, you have to be very considerate about their size. The fish have to be small enough to be able to roam freely throughout the fish tank. Otherwise, they would get sick and/or stressed out. There are some people who believe in the one fish per liter ratio, but you also have to think about the space taken but things such as accessories, plants, etc.

To start out, you could opt-in to get juveniles because of their small size, but later on, you would have to transfer them to a larger tank as they get bigger.

Here are a few options for small tank fish:

  • Otocinclus – A small bottom-dwelling species would help keep your tank clean by feeding on the algae.
  • Guppies – Small fish that come in various colors.
  • Neon tetras – There are very popular aquatic species that come in bright colors.
  • Zebra Danios – Small species that are perfect for beginners

To grow healthy, all these fish need to be moved to a bigger tank as they mature. Invertebrates, on the other hand, are perfect for a 3-gallon tank. As they don’t move much, they are relatively more comfortable living in small spaces.

Conclusion – Best 3-Gallon Fish Tank

To sum everything up, there are plenty of 3-gallon aquariums options in the market, therefore we should do extensive research and come up with various considerations to find the best one. By doing so, we ensure that our pet fish are kept as safe and healthy as possible.

 

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