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6 Best 5-Gallon Rimless Aquariums in 2023 – Reviews & Buyer’s Guide

Fish in a clear aquarium_MariaTeneva_Unsplash

Nano aquariums are becoming quite popular as a home for small fish, invertebrates, and small live plants. A big aspect most aquarists look for when choosing a small tank is to choose one that has a simple and sleek design, and rimless aquariums have all that and more to offer. Small rimless aquariums make the perfect addition to small spaces where larger or bulkier aquariums would not fit, such as desks, side tables, and small cabinets. You can create a beautiful aquarium masterpiece using nano rimless aquariums and some small species of fish and invertebrates can thrive in this type of aquarium.

In this article, we have reviewed some of the best 5-gallon rimless aquariums that you can turn into a beautiful nano aquarium.

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A Quick Comparison of Our Winners (2023)

Image Product Details
Best Overall
Winner
Penn-Plax Desktop Aquarium Kit Penn-Plax Desktop Aquarium Kit
  • Includes various items and the tank
  • A clear unobstructed view inside the aquarium
  • Great for beginners
  • Best Value
    Second place
    Allcolor Ultra Clear Rimless Tank Allcolor Ultra Clear Rimless Tank
  • Clearer view
  • Made of high-quality low- iron glass
  • Affordable
  • Premium Choice
    Third place
    HIRO Aquatics Rimless Aquarium HIRO Aquatics Rimless Aquarium
  • Affordable
  • High-quality
  • Clear and transparent visual effects
  • Ultum Nature Systems Rimless Aquarium Ultum Nature Systems Rimless Aquarium
  • Made from Diamant low iron glass
  • Crystal clear view
  • Bonded with German silicone
  • The 6 Best 5-Gallon Rimless Aquariums

    1. Penn-Plax Desktop Aquarium Kit – Best Overall

    Penn-Plax Frameless Aquarium Kit

    Material: Glass
    Shape: Square
    Dimensions: 5 × 9.75 × 12 inches
    Features: Lid, filter, thermometer, fish net

    The best overall product is the Penn-Plax Water-World Vertex Desktop Aquarium Kit  because you get a clear and frameless nano aquarium along with a set of items that can help you start your aquarium. It is constructed from bent glass that is 1/8 inch thick with curved corners for an unobstructed view of your aquarium. It is a small nano-size which makes it perfect for desks and other small countertops. This is an aquarium kit, so it includes most of the items you need to set up this aquarium. The kit includes a glass lid, clear mounting clips, a full-range digital thermometer, a fish net, and a Cascade 20 power hang-on-back filter.

    Pros
    • Includes various items and the tank
    • A clear unobstructed view inside the aquarium
    • Great for beginners
    Cons
    • Expensive

    2. Allcolor Ultra Clear Rimless Tank – Best Value

    Allcolor Ultra Clear Rimless Tank

    Material: Low-iron glass
    Shape: Rectangle
    Dimensions: 2 × 10.2 × 10.2 inches
    Features: German glue

    The best value-for-money 5-gallon aquarium is the Allcolor Ultra Clear Rimless Aquarium Tank because it is affordable and made from high-quality, low- iron glass. The low- iron glass has a higher light transmission rate of about 91% or more. This makes the tank look crystal clear in comparison to the ordinary aquarium glass. The low iron glass panels are stuck together with professional German glue that does not release toxic chemicals into the water over time.

    This tank has a simple design, and its frameless design can give you a better view of the inside of your aquarium. The Allcolor thoroughly checks the tank for any issues before they process it out for shipment.

    Pros
    • Clear view
    • Made of high-quality low- iron glass
    • Affordable
    Cons
    • Has a visible brand name on the corner

    3. HIRO Aquatics Rimless Aquarium – Premium Choice

    HIRO Aquatics Nano Tall Rimless Aquarium

    Material: Low-Iron glass
    Shape: Rectangular
    Dimensions: 8 × 9.8 × 11.8
    Features: White leveling mat

    Our premium choice is the HIRO Aquatics Nano Tall Rimless Aquarium because it is high-quality, simple, and fits perfectly in small spaces. It is made from low- iron glass which provides you with a clear visual effectview of your aquarium. This allows the tank to have a more transparent view than a regular glass tank. It features a tall design that makes it able to fit on small desks and in other small areas.

    It has no brand logo on the glass, so it offers a clear and entirely transparent tank that is suitable for nano fish. It includes a white leveling mat than can be placed under the aquarium to take pressure off the glass panels.

    Pros
    • Affordable
    • High-quality
    • Clear and transparent visual effects
    • Space-saving design
    Cons
    • Offers more height than floor space

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    4. Ultum Nature Systems Rimless Aquarium

    Ultum Nature Systems Clear Rimless Aquarium

    Material: Low- iron glass
    Shape: Square
    Dimensions: 17 × 8.66 × 8.66 inches
    Features: German silicone

    This Ultum Nature Systems Rimless Aquarium Fish Tank features crystal clear low iron glass with a 91% clarity making it highly transparent with a low residue green color. It has 45 degree mitered edges that are bonded together with high-performance German silicone that is specifically made for aquariums. Each tank comes with a black leveling mat to place under the aquarium. This tank has high  clarity, which makes it clearer than normal glass and enables you to see the inside of your aquarium more clearly.

    It has been constructed with the company’s golden ratio so that the tank has more depth and perspective in the aquarium than in traditional aquariums.

    Pros
    • Made from Diamant low iron glass
    • Crystal clear view
    • Bonded with German silicone
    Cons
    • Logo engraved on the front panel

    5. LANDEN Rimless Low Iron Tank

    LANDEN Low Irone Rimless Tank

    Material: Low- iron glass
    Shape: Rectangle
    Dimensions: 2 × 8.7 × 10.2 inches
    Features: Black foam leveling mat

    The LANDEN 36P 5 Gallon Rimless Low Iron Aquarium Tank is constructed of 5mm thick, high-light-transmittance low-iron glass that has a 91% transparency. It features a bezel-less design with a wide design for a clear view of the inside of your aquarium. It has a high-quality manufacturing standard with right-angled edges and panels that are joined uniformly so that it has a smooth finish. It also includes a black nanofoam leveling mat.

    This rimless tank has a modern look, but the logo is stuck onto the front panel of the glass with plastic tape that may leave a glue residue if it is removed.

    Pros
    • 91% transparency
    • Smooth edges
    • Made of high-quality material
    Cons
    • Has a plastic logo on the front

    6. Aquadock Rimless Glass Fish Tank

    Aquadock Rimless Low Iron Glass Fish Tank

    Material: Low- iron glass
    Shape: Square
    Dimensions: 2 × 8.7 × 10.2 inches
    Features: Net, scissors, algae scraper

    The Aquadock 5.4 Gallon Rimless Low Iron Glass Fish Tank is high-quality, made of low-iron glass with a transparent finish. The rimless glass is structured with 90-degree edges for the durability and safety of the aquarium. Since this tank has special edges, gunk such as algae and dirt does not get stuck into the edges as often as it would with an ordinary tank. This tank includes a net, algae scraper, and spoon-shaped net which makes it a great nano tank for starting a planted aquarium that is made of clear low iron glass and a stylish design.

    The quality of the included items is not the greatest, but it is worth the price with the tank included.

    Pros
    • Clear and transparent glass
    • Durable
    Cons
    • Included items are not the best quality

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    Buyer’s Guide: How to Buy the Best 5-Gallon Rimless Aquarium

    What Is A Nano Aquarium?

    A nano aquarium is generally considered to be aquaria that is under 30 gallons in volume. These are small aquariums that can house nano fish, invertebrates, and plants. A bonus to nano aquariums is that they do not take up much space and can fit into most households and offices so that you can enjoy the perks of having an aquarium. If you have an aquarium stand or similar furniture, a nano aquarium will most likely fit perfectly. Nano aquariums can either be freshwater or saltwater and hold a variety of different small inhabitants, rocks, woods, and plants to form a beautiful aquascape.

    Why Choose A Rimless Tank?

    Rimless or frameless aquariums look more modern, plain, and sleek in comparison to other aquariums. They are mostly made from low- iron glass which is very clear and has high transparency which allows you to see the inside of your aquarium more clearly. Rimless tanks seem to have a neater appearance and the glass is less thick and lacks the greenish hue found in standard glass aquariums.

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    Conclusion

    Of the 5-gallon rimless aquariums we have reviewed in this article, two stand out as our top picks. The first is the Penn-Plax Water-World Vertex Desktop Aquarium Kit because it features a small rimless designed tank with a variety of different included items, making it the perfect rimless tank starter kit. Our second favorite is the Allcolor Ultra Clear Rimless Aquarium Tank because it is affordable and made from high-quality, clear iron glass.


    Featured Image Credit: Maria Teneva, Unsplash

     

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