8 Best Rimless Aquariums – Elegant Solution for Your Ideal Interior

We've ranked the best rimless aquarium on the market today based on their design, features, and quality to help you find the best model for your fish needs!
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Last updatedLast updated: December 30, 2021
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Picked By Fish is reader-supported. We may earn a commission through products purchased using links.

The best way to have a personal relationship with your fishy friends is to have them live in an aquarium right in front of you. However, even though glass fish tanks are the most common type for aquariums, a frameless aquarium is the best choice to make. By giving them the perfect environment to thrive, you can admire their beauty and keep them safe from dangers around them.

When completing our review, we consider such important things as size, what’s included in the kit to make a comprehensive comparison, and your choice easier. So, read on and find the best for yourself.

Top 8 Rimless Aquarium Reviewed in 2022

Features
  • Dimensions: 24x15x12 inch
  • Filter: built-in
  • Capacity: 1.2-24 gal
  • What’s included: a Quiet One submersible pump, sponge filters, a bottom insulation pad, bio balls, carbon media

 Other features: ultra-clear 45˚ edge

Lifeguard Low Iron Ultra Clear Crystal Aquarium Tank is the best aquarium for your fish. Its ultra-clear glass allows you to see your fish clearly, and its low iron glass reduces scratches, so it will last longer than the other glass tanks. It comes with a built-in filter, so you don’t have to worry about buying one.

This model is part of the Crystalline of LifeGuard Aquatics. This collection of aquariums features incredibly clear glass for you to see all your fishes. However, this model is apart from the others in the product line because it doesn’t contain built-in filters. Instead, you have the complete freedom to install your own unique filters tailored to the needs of your fish.

What makes it stand out?

  • Lifeguard Low Iron Ultra Clear Crystal Aquarium Tank comes with a Quiet One submersible pump. This means you don't have to hear the noisy motor so you can watch your fish at peace. It also comes with sponge filters in case your pump or filter breaks, so you don't have to worry about buying one. Lastly, it comes with a bottom insulation pad to prevent the glass from getting cold and better insulate your water.

Which disadvantages must you keep in mind?

  • The only drawback of Lifeguard Low Iron Ultra Clear Crystal Aquarium Tank is that it is difficult to assemble. Using the manual is helpful, but you have to be very careful about not breaking any glass when assembling.

Features
  • Dimensions: 23.62×15.75×17.72 inch
  • Filter: built-in
  • Capacity: 20 gal
  • What’s included: a return tube inner/outer, fish tank, filter pad, filter media sponge, bio-balls

 Other features: common for salt and fresh water

The frameless glass tank provides a sleek and modern look. Its beautiful design features a built-in bio-wheel filter, rear filtration chamber, LED-lit display, and attached lid. The 20-gallon tank is best for housing aquatic life in a contemporary setting while providing a clear view of the inhabitants within and without.

This 8mm tank sports the largest capacity in this product line. While the other models can hold between 7-15 gallons, this massive tank holds 20 gallons. Since it’s 8mm thick, it can easily and safely hold all that water, giving your fish an adequate supply of oxygen in the water, making it great for people with large marine systems.

Why are we impressed?

  • A great addition to any home, this tank is suitable for both fresh and saltwater. The rear filtration chamber provides additional support in cleaning the water, while the return tube helps maintain stability through circulating aquarium flow. With the use of bio balls, the 20-gallon capacity ensures that the tank will remain clean throughout its usage.

What negatives must you be aware of?

  • Due to the sleek design of this tank, there is no lid included. This can be troublesome when moving or adjusting objects in close proximity to the aquarium. Users must be extra cautious during these times as accidents may occur if mishandled.
3.

Boutique Betta Aquarium TankBest Value

Features
  • Dimensions: 7.87×7.87×7.87 inch
  • Filter: no
  • Capacity: 2.1 gal
  • What’s included: a fish tank only

 Other features: 5mm glass thickness

Well, the Boutique Betta Aquarium is the best choice for you! With its frameless design, you get a beautiful panoramic view of your fishy friends. It can hold up to 2 gallons of water, so it’s perfect for betta fish and other small animals. All you have to do is simply add bubbles, plug in the heater or filter, and stock up on some food! At 7.87 inches wide, 2.1 inches high, and 7.87 inches long, you can find a spot for this small fish tank in your living room, bedroom, or even an office desk. This aquarium is ideal for those who want a simple and convenient fish tank without any hassle of setup and maintenance.

If you look through the Boutique Betta catalog, you’ll find that this is the only rimless aquarium they produce. This is one of the most affordable models out there, and the biggest difference between this model and the others on our list is that it’s very small. With a 2.1 gallon capacity, this is best for only people with small amounts of fish.

What makes it special?

  • The 5mm-thick glass provides the utmost protection for your tanks. This frameless design is perfect for those who don't like bulky aquariums that take up space in the room. The high-quality, low iron optical grade glass helps to reduce misting; therefore, minimizing the glare coming off the inner tank walls. Standard 90° jointed seams were used for this aquarium tank to provide a more panoramic view. This way, water won't leak even if the glass panel is broken.

What cons did we find?

  • The Boutique Betta Aquarium does not come with a filter or heater, so you will have to purchase those separately. Also, animals such as loaches and crabs may try to escape if the lid is not tightly shut because it is frameless.
4.

Ultum Nature Systems AquariumBest for Marine Systems

Features
  • Dimensions: 35.43×7.87×9.84 inch
  • Filter: no
  • Capacity: 12 gal
  • What’s included: a black neon foam leveling mat, a fish tank

 Other features: suitable for fresh water and marine systems

Ultum Nature Systems is one of the most reputable nano-aquarium manufacturers in the world. Their aquariums are available in a wide range of sizes, so they can fit any amount of space you may have. One of their best products is the 12-gallon frameless aquarium with 35.43×7.87×9.84 inch dimensions, making it a true masterpiece at its price point.

The difference between this model and the other aquariums in the collection is that it’s long. While it only has an average 12-gallon capacity, the rectangular shape of the aquarium makes for a unique viewing experience that is very suitable for large marine systems. So, if you have a lot of plants and other life in your aquarium, this is a great pick.

What stands out?

  • The product's best feature is that it is suitable for both fresh water and marine systems. Therefore, you will be able to enjoy your aquarium in many unique ways. Another benefit of this product is the black neon foam leveling mat included to ensure safe installation. Also, you can achieve magnificent 91% clarity with Diamant glass which will make your fish look even more attractive.

What cons did we manage to find?

  • The only drawback of the Ultum Nature Systems Aquarium is that it doesn't feature any lighting. However, you can use this product with any type of lightings. Also, there is no filtration system in the package, so you will need to buy one separately.
5.

Landen Rimless Low Iron Aquarium TankBest Heavy-Duty Glass

Features
  • Dimensions: 17.7×10.6×11.8 inch
  • Filter: no
  • Capacity: 9 gal
  • What’s included: a fish tank, cushioning pad

 Other features: 5mm glass thickness

The Landen Rimless Low Iron Aquarium is designed to bring an unobstructed panoramic view of your fish. This unique design allows you to create a truly one-of-a-kind aquarium that is destined to be the focal point of any room. The simple and clean look adds sophistication and style wherever it’s placed. You’ll love the way the inside of the tank is hidden, giving this aquarium an even cleaner look. The low iron glass gives you a clear view without distorting colors or warping light, so your fish will be seen more clearly than ever before.

This is still part of the Landen Rimless collection, so you can expect a sleek and minimalist design. However, the main difference between this aquarium and the other Landen model featured in this list is the shape. It’s a much smaller aquarium than the previous model, and it also comes with a cushioning pad to keep everything as level as possible.

Why did it make our list?

  • This tank's frameless, flat-paneled design allows for a bigger viewing window and a more spacious interior, giving you an unobstructed view of your fish. With its sophisticated look, it will make a stylish addition to any home or office. It comes complete with a cushioning pad that prevents rattling or damage during transit. This tank is made of low iron glass so you can enjoy a distortion-free view without worrying about yellowing or warping.

What is not ideal about it?

  • The Landen Rimless Low Iron Aquarium is an incredible value, but some cons are pointed out. The tank's small footprint will make it more difficult for plants to receive enough light. You'll also need to ensure that you don't place this aquarium within 10 feet of any fluorescent lighting as the glass may be damaged by excess UV radiation.
6.

Lifeguard Aquatics Crystal AquariumMost Compact Design

Features
  • Dimensions: 18x12x12 inch
  • Filter: built-in
  • Capacity: 9.98 gal
  • What’s included: a Quiet One submersible pump, sponge filters, a bottom insulation pad, bio balls, carbon media

 Other features: ultra-clear 45˚ edge

The Lifeguard Aquatics Crystal Aquarium is a 9.98-gallon frameless fish tank that comes with a built-in filter to keep your water crystal clear and ready for your aquatic pets to enjoy. This rimless aquarium has a 18x12x12 inch frame and can be placed on any surface.

This model is fairly similar to the first entry on this list. It comes from the same brand and features the same ultra-clear glass. However, this is a smaller option than the previous one, making it fitter for smaller aquarium systems. Additionally, it comes with an insulation pad, which isn’t available on the previous Lifeguard Aquatics model.

What are its best features?

  • The ultra-clear 45˚ edge of this fish tank provides an unfiltered, unobstructed view of your aquatic pets. A bottom insulation pad is included with the aquarium to prevent heat loss and for added comfort for any terrapins or other reptiles that may live in the tank. Bio balls are also included to ensure a clean water environment.

What could be improved?

  • The one drawback for this rimless aquarium is that the water volume may not be sufficient enough for a larger filtration system, so a canister filter or additional powerheads would need to be added.
RELATED: 6 Best 10-Gallon Fish Tanks: Perfect Picks for Beginners

Features
  • Dimensions: 23.6x8x15.75 inch
  • Filter: no
  • Capacity: 12.7 gal
  • What’s included: a fish tank only

 Other features: 5mm glass thickness, 91% light-through rate

Another best all-in-one rimless aquarium is the AquaTop HCA-12GT Low-Iron Aquarium, a 12.7-gallon glass fish tank with a classic stylish design and a low iron glass substrate for extremely clear viewing of your fish. This aquarium is an excellent choice for home or office use, especially if you want to make a style statement.

Unlike the other AquaTop rimless models, this one is on the narrower side. This makes for a taller aquarium with a whole lot of volume. With this aquarium, the fish will be a bit closer together, but the long rectangular shape still gives them enough space to swim around and be free.

What stands out?

  • This aquarium has a 5mm glass thickness and is made of low iron glass, which allows a 93-97% light-through rate. The AquaTop HCA-12GT Low Iron Aquarium also features an interior brush finish that provides flawless beauty and protects the fish tank from scratches or damages. Plus, this rimless fish tank comes with a black silicone aquarium frame and glass canopy.

What cons did we manage to find?

  • The AquaTop HCA-12GT Low-Iron Aquarium may not be the best choice for a saltwater environment because of its low iron frame. This rimless aquarium can also be difficult to clean due to the black silicone frame and glass canopy, making it hard to apply a cleaning cloth or sponge.
8.

Begondis Glass Aquarium TankBest All-in-One Pick

Features
  • Dimensions: 17.7x11x11.8 inch
  • Filter: no
  • Capacity: 9.5 gal
  • What’s included: a fish tank only

 Other features: 45˚ mitered edge, 91% clarity

Begondis Glass Aquarium Tank is a 9.5-gallon capacity fish tank with a 45˚ mitered edge, 17.7x11x11.8 inch in dimension. This all-in-one rimless aquarium provides you with an easy way to set up an aquarium without the hassle of assembling complicated pieces together that often come in traditional kits.

If you look at the other rimless offerings from Begondis, you’ll notice that this is the largest aquarium in the collection. Additionally, it has the largest capacity compared to the other Begondis options, giving your fish and plants enough oxygen to survive. So, you’ll be able to house way more fish and marine life compared to the other options.

What makes it special?

  • 91% clarity is provided with the use of Diamant glass that is used in the manufacturing of this best-rimless aquarium tank. The golden ratio between front and side view is also offered to provide you with an aesthetic element for your fish tank decor.

What cons did we find?

  • Be aware of the size of this aquarium tank, for it has the only 9.5-gallon capacity, which might not be suitable to keep larger fish types of larger species. This all-in-one rimless aquarium is also manufactured with low-quality silicon that poses against the durability of the product, reducing its lifespan.

Things to Consider

At some point, you would have probably considered a fish tank to brighten up your house. But did it ever cross your mind that there are aquariums out there designed for people who love pets and do not want another responsibility to clean up after them? Well, here is a buying guide on the best rimless aquarium. Check it out.

What Is a Rimless Aquarium?

A rimless aquarium does not include the front glass panel, which gives it a frameless look that many fish lovers love out there. The acrylic material used in making this kind of aquarium also makes them economical compared to other traditional types of tanks. However, it is best if you invest a little extra in getting a good quality rimless aquarium since they require specific care.

8 Best Rimless Aquariums - Elegant Solution for Your Ideal Interior

The main benefit of the rimless aquarium is the very clean look they provide.

Types of Rimless Aquariums

After deciding to invest in a rimless aquarium, you will need to check out its capacity and compatibility with your existing filtration system. For instance, if you already have a good quality filtration system at home, then getting an aquarium that is compatible with it as well as having sufficient space for the number of fishes you have will be a good idea.

All in One

These are tanks that have all the necessary equipment for your aquarium already set up. Meaning there is no need to buy individual components separately. All you will need to do is place your fish inside it and let them swim around.

Bare Bones

These are tanks which come with just the necessary equipment required to set up an aquarium. It is best suited for people who have some experience in setting up an aquarium.

Reef Ready

These are tanks that have an ecosystem already set up inside. Meaning there are no fish or rocks included in it. They are just meant for corals and other small species of fish that require less space.

Things to Consider When Choosing the Best Rimless Aquarium

One of the best things about owning a rimless aquarium is that it will make you feel closer to nature. Plus, it is going to be a nice way to relax after a long day at work since all you need to do is sit back and watch your fish swim around in their beautiful new home. So, here are a few more things to take into consideration before you invest in a rimless aquarium.

Size

A rimless aquarium comes in a variety of sizes, and it is best if you choose one that fits in well with your living space. You also need to consider the number of fish you wish to keep in it and how big they are going to get.

8 Best Rimless Aquariums - Elegant Solution for Your Ideal Interior

These consist of aquarium tanks ranging in sizes from 10 gallons to 100 gallons and up.

What’s Included

One of the best things about a rimless aquarium is that it comes with everything you need to set it up. So, all you have to do is place your fish inside and let them swim around. The only additional equipment you will need will be a good quality filtration system since these tanks are usually large. And, if you do not already have one, setting up a good quality filtration system to keep your aquarium clean will be the next thing on your shopping list.

Volume

One of the best things about owning a rimless aquarium is that it comes in a variety of sizes. However, you need to invest in one that has sufficient capacity for your fish. For instance, if you are keeping Goldfish, then an average-sized tank with good filtration will be fine. On the other hand, if you have a large fish, you will need a larger tank with good filtration.

Filter System

One of the best ways to keep your rimless aquarium clean is by investing in a good quality filtration system. And, if you already have one at home, it might be a good idea to check out if it is compatible with the rimless aquarium you are planning on getting. If yes, then great! But, if not, there might be some additional costs involved in setting up a new filtration system for your fish tank. So, this little research will be worth the time and effort.

8 Best Rimless Aquariums - Elegant Solution for Your Ideal Interior

Choosing the best filtration system for a freshwater fish tank of any size is important for your pets.

Other Features

Nowadays, one of the best features of rimless aquariums is that there are a number of accessories available in the market that will help you create your own personalized style. Also, if you are not interested in rocks for decoration, then acrylic stones might be another good option. And, if you want to add a touch of uniqueness, some people also add aquatic plants to their aquariums since the ones that live in the ocean always look more beautiful.

How to Setup a Rimless Aquarium

One of the best things about owning a rimless aquarium is that it is easy to set up. So, there are no additional costs involved in setting it up, and all you have to do is place your fish inside. Even if you are not very familiar with the installation process, some good YouTube tutorials are always available for help.

Place the Aquarium on a Flat Surface

It is best to place your rimless aquarium on a flat surface because this will keep it more stable, and there will be less chance of an accident occurring. If you do not have a level surface, then it might be a good idea to invest in leveling the floor so that the water stays still and does not spill.

Filling with Water

This is another step towards installing your rimless aquarium, and it is best to fill the fish tank with water as soon as you can after its installation. This will help remove all of the dust and debris that might have collected inside during the process of transport. If you do not fill it right away, then there may be a strong chemical odor later on, or you might even have to change the water.

Installing the Filter

One of the best things about rimless aquariums is that you do not have to worry about cleaning them because they come with a filtration system. The only thing you need to take care of yourself will be the replacement of your filter cartridge every few months or so. And, if your cartridge is too dirty to be used again, then there is no problem since you can discard it and get a new one.

Adding the Decorations

8 Best Rimless Aquariums - Elegant Solution for Your Ideal Interior

You may add any decorations that you want to make your aquarium stunning.

This is one of the best and final things you will do, and it all depends on your personal taste. However, it might be a good idea to add smooth rocks, which will also help keep your fish tank safe from scratches. This way, there is no risk of sharp items hurting or scratching up your rimless aquarium later on.

Adding the Light

Adding a light to your aquarium might also be a good idea since it will give the fish a more lively environment, and they will notice it immediately. This, in turn, will encourage them to roam around their new home more freely, and you will have less of a chance of seeing them hiding in one corner all day long.

8 Best Rimless Aquariums - Elegant Solution for Your Ideal Interior

Normal output fluorescent lighting, compact fluorescent lighting, high-intensity metal halide lighting, and LED (Light Emitting Diode) systems.

Adding Fish

Once you have successfully installed your rimless aquarium and added the decorations, it is best to add a few fish right away. However, if you plan on putting other creatures in it, like turtles or frogs, then you might want to wait a little longer since it can be harmful to them if they are not used to the temperature of the water quite yet.

FAQ

Rimless aquariums do not have a rim around the opening, and they are usually made of glass. Rimmed aquariums, on the other hand, come with a small and visible rim at the top, and they often include plastic decorations as well.

It is best to clean rimless aquariums every two weeks or so by changing the water and removing any debris. However, if you have a large fish tank, it might be a good idea to clean it once a month since there will be more contaminants inside it.

Our Verdict

It can be easy to get overwhelmed when looking for the best rimless aquarium, but with these tips in mind, you are well on your way to living a happy and healthy life with your fishy friends. Especially, we’ve highlighted some of them, like Lifeguard Low Iron Ultra Clear Crystal Aquarium Tank, our Editor’s Choice, with the best kit and overall features. Our Premium Pick, Landen Ultra Clear Glass Aquarium Tank, with the most modern design and LED system available. And finally, Best Value choice, Boutique Betta Aquarium Tank, with a stunning look.

So now it is time to start shopping around so you can find the perfect setup for everyone! Hopefully, this article helped!

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