5 Best 20-gallon Aquarium (Fish Tank) Starter Kit Reviews

If you want to start an aquatic home but you’re not sure which 20-gallon aquarium starter kit to pick from the market, you’re at the right place.

Aquariums with starter kits include many features and equipment, and we picked the best 5 models that are most popular on the market. If you’re a beginner, we recommend checking our guide at the end of this post for more tips and recommendations.

5 Best 20-gallon Aquarium Starter Kits

BEST OF BEST 20-GALLON AQUARIUM STARTER KIT

Tetra Aquarium Fish Tank Kit

Easy Fitting
This tank for the fishes is one of the most popular on the market and comes with all the needed equipment that will help you with daily maintenance. Aquarium has a very simple design so you can place it in every corner of your house or apartment.

Glass Construction
As with most of the 20-gallon aquarium starter kits, this model also comes in a rectangular shape so you can easily fit it on every larger stand that is sturdy enough to hold the weight. Aquarium has glass construction and a silicone bottom in black color.

Water Application
With the measurement of 27.88 x 16.13 x 20.38 inches, this 20-gallon glass aquarium can fit multiple fishes small to medium sizes. You can use this tank for fresh or saltwater applications. To add some decoration, this tank comes with an artificial plant box to fulfill the environment.

Included Equipment
From the equipment, you will get a filtration system with a heater so your fishes can have a clean environment and optimal water temperature every day. For perfect reflection, there are LED lights at the top. You will get a fishnet and some free samples for the fishes, as well.

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BEST BETTA 20-GALLON FISH TANK STARTER KIT

Aqueon Aquarium Starter Kit

Easy Fitting
If you’re looking for a tank that will be perfect for betta and other fish breeds of similar sizes, this Aqueon aquarium is the best choice. You can place it in every corner of your home, it will fit perfectly with the rest of your home decor.

Sturdy Stand
This rectangular aquarium has a sturdy glass construction that won’t break easily. Silicone bottom is made to prevent any bumps and sliding. Place this Aqueon 20-gallon starter kit on a sturdy stand that is stable enough to hold the weight of it when it is filled with water.

Natural Environment
Aquarium has 24.25 x 12.5 x 19.5 inches, which will be suitable for multiple bettas and other fishes like tetra or goldfishes. Natural and artificial plants will fulfill the environment, so make sure you add some decorative pieces as well as gravel or sand at the bottom.

Powerful Filter
Keep water fresh and clean with the powerful filter, so your fishes can live longer and be happy in the new environment. A heater with a thermometer will keep water optimal every day. For easier catching this 20-gallon fish tank with a lid comes with a fishnet. LED lights will reflect the whole aquarium

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BEST TETRA 20-GALLON STARTER KIT

GloFish Aquarium Kit Fish Tank

Colorful Design
One of the most colorful models that you can find on the market is definitely this Glofish aquarium. Tank is the perfect choice for everyone who wants to add some colors to their living space. It is made of durable and sturdy materials so you can use it for years.

Easy Fitting
The 20-gallon starter kit is made of thick glass which has great transparency so you can have a perfect view from all sides. The rectangular tank has 27.88 x 16.13 x 20.38 inches, and it can easily fit on every sturdy stand in your home. It is suitable for marine and freshwater applications.

Colorful Plants
This 20-gallon community tank can fit tetra, betta, and other colorful fishes which will easily catch everyone’s attention. For decoration you will get fluorescent artificial plants in different shapes, so your fishes can have a beautiful environment. Turn on LED lights and enjoy the view.

Quick Setup
The top lid has a hole so you can easily sprinkle the food on a daily basis. For quick cleaning and a fresh environment, there is a Tetra whisper filter with a heater. Water conditioner samples and fishnet are also included in the package, as well as a set-up guide for quick installation.

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BEST WITH FILTER 20-GALLON AQUARIUM STARTER KIT

Marina LED Aquarium Kit

Functional Model
This Marina aquarium is one of the most popular on the market, so if you’re looking for a model with a great filtrations system this is the best choice. Even if the tank has a very simple and minimalist design, it is a functional model with all the needed features and equipment.

High-quality Materials
The whole tank is made of sturdy glass, a silicone bottom, and a plastic lid at the top. It is made of high-quality materials so you can use it for a long time. Glass models are the perfect choice if you want a crystal clear view from all sides.

LED Lights
20-gallon aquarium starter kit measures 30 x 18 x 22.3 inches and it can fit multiple small and medium-sized fishes. We recommend adding some decorations like plants, coral reefs, and gravel, so your fishes can have beautiful habitat. So you can enjoy it in beautiful colors, there is cool white LED light at the top.

Clip-on Filter
You will get a clip-on filter that has a quick-change cartridge for easy daily maintenance. The thermometer will show temperature so you can always check if the fishes have an optimal environment. Free food and water conditioner are also included with this 20-gallon breeder tank.

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BEST CORNER 20-GALLON FISH TANK STARTER KIT

SeaClear Acrylic Aquarium Kit

Unique Shape
If you want a model that can easily fit in corners and doesn’t take much space in your home, this SeaClear model is great for smaller areas. It comes in a very unique shape that will catch everyone’s attention. The sturdy aquarium is practical and functional for use.

Acrylic Tank
The aquarium is made of acrylic material which is the perfect choice if you’re afraid the tank will break easily. Sturdy construction is much stronger than glass models but much lighter for easier moving. Don’t worry about transparency, acrylic models provide a great view, as well.

Cobalt Blue Background
This 20-gallon hexagon aquarium measures 15 x 15 x 24 inches, and it can be easily moved from side to side. Place it on a higher stand so you can enjoy the view. Beautiful cobalt blue background will give more colors to your living space. The transparent lid has an open area for quick feeding.

Artificial Plants
This 20-gallon fish tank starter kit includes a powerful filter for daily maintenance. LCD thermometer will show if the water temperature is optimal for the fishes. You will get artificial plants for decoration. This tank is suitable for salt and freshwater application and multiple small fishes.

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How To Pick The Best 20-gallon Aquarium Starter Kit?

Aquarium starter kits need to included minimal equipment so you can start an aquatic home. However, there are some very important things to check before buying, like construction, shape, and other features, so you can be sure you picked the best model from the market.

Why You Need It? – Aquariums are the best additional decoration in every living space, they will create a most beautiful aquatic environment and you will enjoy looking at the tank every single day. ishes are the perfect choice if you don’t have much time with daily maintenance, so picking a model with a starter kit is the best choice for beginners.

Included Equipment – Starter kits need to include a filtration system, LED lights, and other accessories like plants, fishnet, or free samples. The filter will save you time with cleaning and provide a fresh environment for the fishes. LED lights come with cool light fixtures or colorful ones if you want to add some colors to your living space.

Sturdy Tank – When picking a tank one of the main things is to check if the model is made of sturdy material, so you can b sure your fishes are safe inside. Usually, aquariums are made of thick glass that is durable enough to last you for a long time. If you’re afraid it will break easily, we always recommend 20-gallon acrylic aquariums.

Different Fish Breeds – Check if the 20-gallon starter kit is suitable for salt and freshwater application, depending on which fish breeds you’re planning to place inside. Tank is suitable for multiple small and mini fish breeds like tetra, betta, gold, or clownfishes. Make sure fishes have enough space for swimming and privacy.