The #1 120 Gallon Aquariums For Sale - Used By Celebs & Pro Athletes

Our Product Testing Teams put the products through detailed side-by-side testing plans, both in the lab and in the field, and carefully assess performance, ease of use, and reliability.

We recommend the best picks 120 gallon aquariums for sale with popular brands below: Tetra, Aqueon, Coralife, Hygger, Glofish, Marina for you. Read on to find out which is the best for you.

Garth Stein By, Garth Stein
  • 🐠 VIBRANT LED LIGHTING - Low-profile hood contains vibrant LED lighting that is capable of sustaining and growing healthy, vibrant corals and live plants.
  • 🐠 MAXIMIZE BEAUTY - 24-hour timer which makes it easy to control the three independent light channels for maximum beauty: bright white, sparkling blue and color enhancing LEDs.
  • 🐠 SLEEK & MODERN - Biocubes feature a rounded edge design and is the perfect innovative all-inclusive aquarium for all needs!
  • 🐠【Mutil-modes LED Light】The aquarium led light is DC12V/18W, with extendable brackets, length can be adjusted from 0 to 19 inch. It has a external digital controller, you can use it to set the lighting time to 3, 6 or 12 hours, to adjust the light brightness from 100% to 10%, 5 levels of brightness in total, to shift the light modes: White LEDS, Blue+white+red LEDS, Red+ blue LEDS.
  • 🐠【Multi-protection Packing】We used 3 layers of packing to pack the aquarium kit and with light lifting label, the innermost layers is a super sturdy poly foam with excellent cushion. We have done the shipping test by sending 3 of the packs to 3 different distance places and find the glass tanks are still in good condition when received. So don't worry the tank will not be broken during the shipping, if you find tank broken when open the package, please take a photo and send it to the seller.
  • 🐠【New View Curved Tank】Tank size: 19" L x 11.8" W x 9.6" H. This glass fish tank has a unique convex arc curve shape, can widen your view on the aquarium, and can hold more capacity of water. The total tank volume is 8 gallon, it can hold 6 gallon of water, because the tank has a undetachable 3D background decor. When it holds full water, the whole tank weighs about 68 pounds.
  • GloFish Glass Aquariums are made in the USA and are built to last with scratch resistant glass
  • The blue LED light completely transforms your aquarium
  • Age range description: All Life Stages
  • 20 U.S. gallon glass aquarium
  • Measures: 24 inches L x 12.5 inches W x 16.5 inches H
  • Includes everything you need to get your aquatic home started
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What do you have to consider before buying the 120 gallon aquariums for sale?

Whether you are a newbie or a professional buyer of the 120 gallon aquariums for sale, you also have to consider some features of this product before purchasing since there are numerous items available in the market right now. 

So, what are these features? Reading the following section to figure out some essential things you should keep in mind and think about before buying the 120 gallon aquariums for sale.

Heater

If you plan to keep marine or tropical fishes, then consider buying an aquarium heater. Don't let the temperature drop too low because it could endanger your fish.

Material

There are two types of products available for your aquarium: Glass and Acrylic.

- Fish tanks come in various shapes and sizes. They may be round, square, oval, or triangular. Some are made out of plastic, others out of wood, and others out of metal. Whatever material they're made out of, fish tanks are designed to hold water so that fish can live in them. Fish tanks also serve another important function; they provide an environment where fish can grow and develop.

- Acrylic aquaria can be found in various sizes, shapes, and colors. They may also be made out of glass or plastic. Plastic containers are typicallyer than glass ones, although they do not last as long. Glass containers are generally heavier and thicker than plastic ones, so they are often used for larger fish tanks.

Number Of Fish

Experts recommend using a cup of coffee per pound of body weight. So if your average person weighs 150 pounds, then one cup of coffee would suffice. However, if you weigh 300 pounds, then 3 cups of coffee would be needed. In order to determine how much food you need to feed your fish, divide the number of gallons in your aquarium by the number of pounds in your fish’s weight. For example, if you have an aquarium containing 6 gallons, then you can calculate how many pounds of food you need by dividing.

However, this expert rule is flawed because it doesn't consider factors such as growth rate, appetite, waste output, body type, or water surface area when making recommendations.

We suggest keeping one fish in a 5 gallon tank. This ensures they're comfortable and meet their environmental needs.

Placement

A critical aspect of the tank's placement is accessibility to power. You should also put the tank somewhere out of draft and away from heat/cooling registers. Most fish prefer at least 12 hrs of light every 24 hours. That can affect where you'll put the tank in the room.

Shape

A rectangular aquarium is the most effective choice for your fish's wellbeing because it has a larger surface area of water exposed to the air, which leads to better oxygenation. If space or personal preference makes you want to avoid using a rectangular container, you may also discover tall, cube shaped, dome front, as well as rounded ones.

Accessories Included

If you're planning to buy a new aquarium, don't go out and buy everything at once. Instead, start by looking for a basic aquarium kit that includes the essentials.

Weight

When thinking about where to put your tank, consider its weight plus that of any additional equipment such as a pump, heaters, filters, lights, and so forth. A 50kg tank may not fit in a small space if you add too much weight; if you plan to keep fish, make sure you have enough room for them. You might also need to think about how heavy the tank is, especially if you're planning to move it around often.

There isn't a definite set of numbers for the number of fish you need per liter or imperial gallons. Many factors can impact whether an aquarium is healthy or not, including the fish's metabolism, their age, and the quality of the tank's filtration system.

But first things first - decide what type of fish you'd like to keep (tropical community tank, cichlid setup, or salt water reef) and then think about the size of the tank you want.

Kits

For an ideal aquatics system, you need a large enough container (5 gallons) and quality filtration equipment. It also helps if the system has a heater, food, and cleaning tools.

Lid

A lot of people make the mistake of buying expensive equipment without knowing how to care for it properly. They just assume they can buy a new piece of equipment and expect it to last forever. Unfortunately, this is not the case. Equipment should be treated with respect and given proper attention so that it lasts longer and performs better. When purchasing any type of equipment, whether it is a car, boat, lawn mower, or computer, it is important to know what maintenance is needed to ensure that it runs smoothly for years to come.

FAQs

1. What About A Saltwater Tank?

While several deep sea fishes are bright as well as stunning, it's usually better to keep them to experienced aquarium owners. Installing as well as maintaining a deep sea aquarium is considerably much more challenging compared to a fresh water aquarium, and requires a big aquarium for the finest results.

2. What’s The Best Location For My Fish Tank?

Your fish should be kept in a location where they can see out, yet aren’t exposed directly to the sun. They must have access to clean, fresh air, yet shouldn’t be subjected to direct sunshine. In addition, they should be provided with a constant supply of warm, filtered, freshwater. A great rule of thumb is that if you would certainly drink the fish’s pool, it is best to keep them in the same area.

You should place your aquarium where it won't get too hot or cold, near an open window, or right on top of the ground. These locations can be hard on your fish.

Final Thoughts

It is a challenge for everyone when shopping for a new 120 gallon aquariums for sale. We hope that the buying guide above will help you broaden your mind when buying anything you want. Luckily, some well-known brands, including Tetra, Aqueon, Coralife, Hygger, Glofish, Marina, are available as trustworthy resources for you to go first for high-quality and long-lasting products.


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Garth Stein By, Garth Stein
Garth Stein is the author of four novels: the New York Times bestselling gothic/historical/coming-of-age/ghost story, "A Sudden Light"; the internationally bestselling "The Art of Racing in the Rain"; the PNBA Book Award winner, "How Evan Broke His Head and Other Secrets"; and the magically realistic "Raven Stole the Moon." He is also the author of the stage play "Brother Jones." He has a dog, he's raced a few cars, climbed a bunch of really tall trees, made a few documentary films, and he lives in Seattle with his family. He's co-founder of Seattle7Writers.org, a non-profit collective of 74 Northwest authors working together to energize the reading and writing public.