The 5 Best 100 gallon Fish Tanks (2023 Reviews and Buyer’s Guide)

First of all 100 gallon fish tanks are not for beginners; as a beginner, you might want to start with the smaller fish tank. Smaller tanks are much easier to set up, maintenance, and clean. But, as time passes and you become more experienced with fish keeping, you will soon want to upgrade to a bigger fish tank. That is when this massive 100 gallon fish tanks come into play.

Having an enormous fish tank is charming. It houses increasingly extraordinary fish and a broad scope of other aquatic animals and plants, which can be set easily inside without stress of congestion.

So, if you have already made up your mind that you are ready for a bigger 100 gallon fish tank, then your search has come to the correct place. Because down below, I will be reviewing the best 100 gallon fish tanks, including their pros, con, buying guide, and everything else that you need to know regarding them.

Benefits of a 100 gallon fish tanks

Before you scroll down to the list of the best 100 gallon fish tank, let’s look at a few of the benefits you will achieve with a 100 gallon fish tank.

More Space

A 100-gallon fish tank has a greater measurement, which is the best fit for the fishes’ well-being in the water. In a 100 gallon fish tank, the water is less debased by soil. Moreover, your fishes and other aquatic animals will have a larger space for breathing, feeding, and playing.

 Good looks

Well, a beautiful fish tank can always catch the guest’s eye even if it’s a smaller one. So, when we are talking about a large 100 gallon tanks, your guests are sure to get mesmerized with the beauty these tanks hold down.


A great deal of fish keepers who have begun in 10/15-gallon fish tanks generally become partial to the aqua scaping. Thus, some portion of their updating is to decide for a greater tank like the 100-gallon fish tank so they can pet more types of fishes.

Tension reliever

 It is psychologically proven that having an aquarium and looking at the fishes swim can profoundly relax one’s mind. So, looking at a bigger tank will be more relaxing and act as a tension reliever.

Types of 100 gallon fish tanks

Regardless of the size of the aquarium, you are going for; you will find variety in everything starting from their building material, shapes, sizes, freshwater aquariums, saltwater aquariums, and many more. A 100 gallon fish tank is not an exception either. When buying a 100 gallon aquarium, you will most commonly find a glass made and an acrylic aquarium. So before selecting the best 100 gallon fish tank, choose the type that suits your requirement more.

Acrylic Made Tank

100 gallon Acrylic tanks are getting pretty popular lately, and there are enough reasons for it. They got many features that urge their use rather than the traditional glass made tanks. The essential motivation behind why some fishkeepers move on acrylic types is a result of its solidness. These sway safe so they can keep going for a long time. They likewise seem as though the glass yet gauge lighter and can be formed into various shapes.

Be that as it may, there is a slight drawback of this kind of fish tank; in general, they are more expensive and becomes yellow after long terms of use for many years.

 Glass Made Tank

Glass made tanks are standard and more demanded among aquarists compared to acrylic. The 100 gallon fish tanks are made of great glass. Glass Tanks come with many benefits; it is scratch safe; moreover, what specialists love about it is a definitive lucidity of its surface, which gives a great inside view of the aquarium.

Additionally, glass tanks are much cheaper than acrylic tanks. But, like all other good things, glass tanks also come with few disadvantages like they are very fragile and might break down if placed under great pressure. Also, they are very, so it is hard to move them around.

Best 100 gallon fish tanks Reviewed and Rated:

1. JAJALE 100 Gallon Aquarium Fish Tank

Clear-For-Life UniQuarium 100R Rect PARENT
  • Dimensions - 60"(L)x18"(W)x20"(H)
  • Built-In Filtration - Ready-To-Run

A Traditional 100 gallon tank, but definitely not dull or boring looking. The JAJALE tank is an elegant looking tank and will look great on any houses or offices or wherever you want to keep it.

This unit is made of tempered glass and metal which is resistant to saltwater erosion. It is additionally more secure, particularly with kids and different pets in your home. Its traditional look will enhance the beauty of the fish and coral inside.


The tank comes with a dimension of 19.7 x 39.4 x 61 inches with a weight of 415 pounds.


  • The corners are rounded.
  • It is made of acrylic. Hence you can easily carry it around.
  • You can use the tank for both seawater and saltwater.
  • The panels come in different colors.


  • On the heavier side.

Our thoughts on JAJALE 100 Gallon Aquarium Fish Tank

The JAJALE 100 Gallon Aquarium Fish Tank comes with a sump that aids you in increasing the Aquarium water volume.

The filtration consists of mechanical and biological filtration. They come with a filtration system hidden in the cabinet so that your immersive ecosystem will not be interrupted by artificial tubes and wires. Our tanks are reinforced by a sturdy titanium and magnesium frame that will hold up for decades.

2. SC Aquariums StarFire Glass Aquarium

SC Aquariums 120 Gallon Starfire Glass Aquarium
  • Size: 120 Gallon Aquariums 48x24x24" 12mm Eurobraced
  • Starfire (Low Iron) glass on front 3 Sides

Well, The StarFire glass aquarium Is not a 100 gallon tank, it’s a 120 gallon fish tank. However, it looks like a 100 gallon fish tanks, and due to its high performance, this tank was a must mention in this list of best 100 gallon fish tanks.

Your fishes can relax and live happily in this tank. What makes this tank is its signature Starfire glass construction. What makes this tank special is that the low-iron glass is at that front three sides, giving a more unobstructed view. The glass feels very solid and dependable for a 120 gallon aquarium.

The tank also comes with a built-in overflow box, which is already set at the back for a consistent look and can provide heavy and powerful flow of 2500 GPH.


This tank has a dimension of 48 x 24 x 24 inches.


  • Easy to Setup
  • 120 gallons – which is very big for your fishes.
  • It is built with unique Starfire glass.
  • The tank comes with a powerful built-in overflow box.
  • You will get a plumbing kit.


  • There is no top cover for the tank

Our thoughts on SC Aquariums 120 Gallon Starfire Glass Aquarium

SC Starfire is an allrounder fish tank that comes with everything you need to start your aquarium journey—made with the unique Starfire glass that gives the highest clarity and durability more than any other glass. If you ate in search of a bit large fish tank than the regular 100 gallon size to give your aquatic animals a larger space to live and play; Then the SC Aquariums aquarium is the one to go for.

3. Aqua Dream 100 gallon fish tank

 This fish tank invests wholeheartedly in its 360-degree filtration framework. This keeps the strength of your fish at its best, and their water in great quality. The Aqua dream also comes with a submersible soundless and powerful pump, which is a unique feature since most submersible pumps make some sort of noise. Additionally, the tank is also corrosion-resistant.

I simply love their curved transparent glass, which is scratch-proof, and you can bet on its high durability. The curved glass T gives you a superior quality view of your pet, and the magnificence of your plants is amplified.


The Aqua dream has a dimension of 39 x 19 x 31 inches with a weight of 315 pounds.


  • The LED lighting system looks beautiful
  • It comes with a very quiet submersible pump.
  • The glass is curved transparent and very durable.
  • Aqua Dream Aquarium offers 360 degree filtration system.
  • The maintenance is very easy.
  • It comes with a stand to keep the tank.



  • The tank is quite heavy at 315 pounds.

Our thoughts on Aqua Dream Aquarium Fish Tank

If you are in search of a beautiful looking all glass 100 gallon tank, then the Aqua Dream can be a great option. It comes with a stand, which makes the tank look more exclusive, and the maintenance of the tank is very easy as it offers a single touch disposal system. Even all the surfaces are streaks and scratch repellent; hence it won’t get affected with acid or alkali build either.  So, the aqua dream is a must to go for 100 gallon fish tank because of its unique and exclusive looks.

4. Crystal Dynamic Rimless Aquarium

Crystal Dynamic 100 Gallon Easy-Reef Rimless Aquarium Set
  • Reef-ready rimless Starphire tank with Baltic birch stand, sump, and plumbing

As The name suggests, this tank specializes in reef keeping. You can easily keep all your reef and corals, and hence you will enjoy keeping at your aquatic plants in this tank.

The tank is designed with three viewing panels; front and two sides, which is made of crystal-clear glass. These panels are not regular panels; Starphire patents them with diamond edge polish. So, you are guaranteed with unwavering quality and clearness.

You will also get a Baltic birch stand, which can be customized according to your choice to match your home. And I also the fact they will offer you an overflow box along with the tank.


The tank comes in a dimension of 48 x 20 x 24 inches.


  • The tank comes with a Baltic birch stand.
  • The crystal dynamic tank offers an overflow box.
  • The back panel is black to make the tank look more sophisticated.
  • The design is rimless to give you a more precise view of the inside.
  • The glass is very durable.
  • The aquarium is reef ready.


  • The tank takes a bit longer time to ship since it is customized.

Final Words

The Crystal Dynamic Rimless aquarium is a unique aquarium with a sleek rimless design. The back panel is also black to match the whole aquarium, and this gives the aquarium an exclusive look. As a matter of fact, I like that they provide a Baltic birch stand, which you will be able to customize the color to match your home or anywhere where you will be keeping the tank. Even the plumbing is easy since you will get a kit with the tank.

5. RGTQ 124 gallon Upright Fish Tank

Getting a fish tank is not sufficient in some cases; you need to fix a good place for the tank as well. 100 gallon fish tanks are large in size and take an ample amount of space. So, the best way to place them is to get an additional stand. But, RGTQ 124 gallon fish tank already comes as a full kit along with a stand. You do not need to buy any additional stand with the tank.

This tank highlights a LED lighting system and a water pump. It additionally accompanies a robust filtration framework and filter media.


This tank comes with standard size and weight of 390 pounds.


  • over 91.5% light is transmitted through.
  • The setup of the tank is very easy.
  • The glass is tempered.
  • This tank comes with LED lighting.


  • You cannot buy the tank or the stand separately.

Our thoughts on RGTQ 124 gallon Aquarium Fish Tank

This tank is an absolutely beautiful 124 gallon fish tank that comes with everything that you will need to start your aquarium journey; it even gives a sturdy and good looking stand for this enormous tank. The tank is made from premium quality glass, which ensures that you will have an ultra-clear view of the inside. This aquarium kit is a recommended kit for you if you wish to start with 100+ gallon fish tanks.

Best 100 gallon fish tanks buying guide

If you came this far in this article, it is obvious that you are looking for a 100 gallon fish tanks and down below I will give a buying guide that you can follow to select the best 100 gallon fish tank since it is not easy to select a big enormous tank like a 100 gallon tank.

Types of Fish

If you are going to such a huge tank, then you do not worry about the types of fishes you can keep since this huge tank can house many different species of fishes. This kind of fish tank can give more extensive space to the day by day play of fishes which is healthier for them. Some of the perfect species that are best appropriate in a 100 Gallon Fishtank are the Catfish, Angelfish. Danios and Gourami.


It is essential to have all the accessories with tank while setting up the tank. The most common accessories that will help you set up the tank are filters, Heaters, Aquarium stand, Lights, pump, etc. Most 100 gallon fish tanks do come with all the necessary accessories, but even after that, you should check the accessories properly, or else your fishes might get in trouble. Ensure to have properly working accessories for the healthy life of your aquatic pets.


Cost is always the biggest question when you opt for buying any goods. And while buying fishing tanks, it is also the same. Fish tanks come in various price ranges; however, in general, 100 gallon fish tanks are much expensive compared to other tanks.

The price range can vary due to size, brand, construction type, design. On average, 100 gallon fish tank starts at a price of $400 and goes up.


The quality of the tanks does play a part in the costing of the tank. However, you need carefully inspect the quality of 100 gallon fish tanks. They often come in two variants, either glass or acrylic. So, check the quality and durability, then choose the one that suits your needs more.

Frequently Asked Question

1. How much is the weight of a 100 gallon fish tank?

 Answer: it depends on the type of tanks you are going for; most 100 gallon tanks are made up of glasses, and they are heavier than acrylic.

Weight can vary because the glass panels in the aquarium come in different thicknesses, which can be altered to solidness and clarity according to needs. Saying all that an empty 100 gallon glass tank can weigh between 100200 pounds, then you need to consider the weight of the water, fishes, and other accessories that you need to keep inside.

2. What Types of fishes should I keep in a 100 gallon fish tank?

 Answer: A huge advantage of a large 100 gallon tanks is that it can never get congested. Saying all that you can have a superior space for plants and other fish. The overall general guideline for aquarists is that you can grow one inch of fish for each gallon of water. Greater bodied aquatic pets need to have 2 gallons for every inch.

You likewise need to consider the plants and different adornments that you intend to put inside. It is best not to stuff your aquarium with a lot of plants, the perfect size, and kind for your fish to play with, yet at the same time swim through inside.

3. Can I use 100 gallon tanks for both freshwater and saltwater

Answer: it depends on the type of tanks. Many 100 gallon tanks are designed for saltwater only and many for only freshwater. However, most 100 gallon fish tanks can be used for both types of water.

4. What are the dimensions of these types of fish tanks?

 Answer: The 100-gallon fish tanks today are tweaked and can come in various shapes and structures. These tanks are regularly rectangular fit as a fiddle and are made so for your fish to have a superior swimming region. They love to wander around sideways and play and move around plants. With this shape, putting plants and corals inside is additionally more straightforward. Even though the dimension varies according to the companies, yet they usually come at a standard dimension of 2½ x 18½ x 19 3/8 inches (L x W x H).


Having a 100 gallon fish tank can be a dream setup for aquarists; all beginners start with a smaller tank, but as their passion for fishkeeping increases, you will wish to get a bigger fish tank, and there cannot be a better option than a 100 gallon fish tank.

Try not to be phobic to put your money into an enormous tank, for example, a 100 gallon aquarium. It appears to be a great deal of difficult work. However, it is easier to deal with a huge tank than a little one. You don’t need to change the water so frequently, and they come with technologically modern filters that you don’t need to meddle. In addition, regardless of what you add to your tank, you won’t cause a synthetic lopsidedness. When you install everything, there isn’t much else that you need to do.

Hence, this article was written to give all of you an idea of the best 100 gallon fish tanks along with a buying guide, which will help you to pick your best 100 gallon fish tank. So, make sure to read the whole article properly and do your own research before deciding to buy any of these 100 gallon fish tanks. But, if you ask my opinion being a senior aquarist; there cannot be an any better alternative for these beautifully crafted best 100 gallon fish tanks.

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