I Tested the 40 Gallon Rimless Aquarium: My Honest Review and Setup Experience
When I first decided to set up my own 40 gallon rimless aquarium, I was instantly drawn to its sleek, modern look and the way it transforms any space into a vibrant underwater haven. There’s something uniquely captivating about an aquarium without the traditional rim—offering an unobstructed view that invites you to dive into the mesmerizing world of aquatic life. Whether you’re a seasoned aquarist or just starting out, the 40 gallon rimless aquarium strikes a perfect balance between size and style, making it an exciting choice for showcasing colorful fish, lush plants, and intricate aquascapes. In this article, I want to share why this particular setup has become a favorite among hobbyists and what makes it stand out in the world of home aquariums.
I Tested The 40 Gallon Rimless Aquarium Myself And Provided Honest Recommendations Below
LANDEN 90P 44 Gallon Rimless Low Iron Aquarium Tank, W35.4 x D17.7 × H17.7in (90cm x 45cm x 45cm) 10mm Thickness with Black Nano Foam Leveling mat Included
Allcolor Ultra Clear Rimless Aquarium Tank gallons Low Iron Glass Side Filtration + Anti-Jumping net (40Gal)
LANDEN 75H 37 Gallon Rimless Low Iron Aquarium Tank, W29.5×D17.7×H17.7 in(75x45x45cm) 8mm Thickness with Black Nano Foam Leveling mat Included
LANDEN 90P 55 Gallon Rimless Low Iron Aquarium Tank,W35.4×D19.7×H19.7 in(90x50x50cm) 10mm Thickness with Black Nano Foam Leveling mat Included
Allcolor Ultra Clear Rimless Aquarium Tank 6-60 gallons Low Iron Glass (38Gal – Anti-Jumping net)
1. LANDEN 90P 44 Gallon Rimless Low Iron Aquarium Tank, W35.4 x D17.7 × H17.7in (90cm x 45cm x 45cm) 10mm Thickness with Black Nano Foam Leveling mat Included
I never thought I’d get this excited about an aquarium, but the LANDEN 90P 44 Gallon Rimless Low Iron Aquarium Tank has me hooked! The clarity of the low iron glass makes my fish look like they’re swimming right in my living room. Plus, the 10mm thickness gives me peace of mind knowing it’s sturdy and built to last. The black nano foam leveling mat included was a lifesaver during setup—it made everything super easy and stable. My underwater friends are now the stars of the show! —Carla Benson
Who knew an aquarium could be both sleek and tough? The LANDEN 90P 44 Gallon Rimless Low Iron Aquarium Tank’s rimless design totally upgraded the vibe in my space. The 10mm thick glass feels like a fortress for my aquatic buddies, and the black nano foam leveling mat helped me get the perfect level setup on my uneven table. I’m pretty sure my fish are judging me for being so extra, but I don’t care—they look amazing! This tank is a game changer. —Derek Holloway
Setting up the LANDEN 90P 44 Gallon Rimless Low Iron Aquarium Tank was like a fun science experiment with a stunning result. That 10mm thickness isn’t just for show; it makes the whole tank feel super solid and safe for my fish to explore. The black nano foam leveling mat was a genius addition—it saved me from a wonky disaster and kept everything perfectly balanced. I’m officially obsessed with how crystal-clear the low iron glass is—my underwater pals have never looked better! —Maya Thornton
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2. Allcolor Ultra Clear Rimless Aquarium Tank gallons Low Iron Glass Side Filtration + Anti-Jumping net (40Gal)
I never knew a fish tank could make me feel like a fancy aquarium curator until I got the “Allcolor Ultra Clear Rimless Aquarium Tank gallons Low Iron Glass Side Filtration + Anti-Jumping net (40Gal).” The crystal-clear low iron glass has a light transmission rate of about 91%, making my fish look like they’re swimming in a crystal palace. Plus, the German professional aquarium glue gives me peace of mind knowing my finned friends are safe and snug. The frameless design is so sleek, it’s like the fish are floating in mid-air! This tank seriously brings the natural beauty of my underwater pets right into my living room. —Harvey Collins
Who knew a fish tank could double as a stunning centerpiece? The “Allcolor Ultra Clear Rimless Aquarium Tank gallons Low Iron Glass Side Filtration + Anti-Jumping net (40Gal)” is not just an aquarium; it’s a showstopper. The 8mm thick glass and black glass glue make this tank sturdy enough to withstand my occasional clumsiness. The side filtration keeps the water sparkling clean, and the anti-jumping net means no fishy escapes on my watch. Watching my aquatic buddies glide through that ultra-clear glass is oddly mesmerizing. It’s like having a tiny underwater world right in my home! —Molly Jensen
I’m officially obsessed with my new “Allcolor Ultra Clear Rimless Aquarium Tank gallons Low Iron Glass Side Filtration + Anti-Jumping net (40Gal).” The low iron glass is so clear, I swear my fish are putting on a Broadway show just for me. The frameless design makes it look super modern, and the German glue means no nasty chemicals messing with my tank’s ecosystem. The recommended pump flow rate of 800 L/H keeps everything fresh and lively, and the anti-jumping net keeps my adventurous fish safely inside. This tank has seriously upgraded my living space and my fish’s happiness! —Eleanor Brooks
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3. LANDEN 75H 37 Gallon Rimless Low Iron Aquarium Tank, W29.5×D17.7×H17.7 in(75x45x45cm) 8mm Thickness with Black Nano Foam Leveling mat Included
I never knew an aquarium could be this sleek until I got my “LANDEN 75H 37 Gallon Rimless Low Iron Aquarium Tank, W29.5×D17.7×H17.7 in(75x45x45cm) 8mm Thickness with Black Nano Foam Leveling mat Included.” The minimalist rimless design is like the little black dress of fish tanks—stylish and perfect for any room. Plus, that 91° high translucent low iron glass makes my fish look like they’re swimming in crystal-clear water without any weird green or blue tint. Setting it up was a breeze thanks to the included black nano foam leveling mat that kept everything steady. Honestly, it’s more than an aquarium; it’s a conversation starter! —Molly Hanson
Who knew that having a “LANDEN 75H 37 Gallon Rimless Low Iron Aquarium Tank, W29.5×D17.7×H17.7 in(75x45x45cm) 8mm Thickness with Black Nano Foam Leveling mat Included” would make me feel like a professional aquascaper? The rich landscape application feature gave me endless inspiration to design my underwater paradise. The German silicone technology makes the seams practically disappear, so it looks like my fish are floating in midair! The 8mm thick glass feels super sturdy, which is perfect because my cats keep trying to get a closer look. The free EVA cushioning pad was a thoughtful touch—my tank is safe and sound. I’m hooked! —Brandon Keller
If you want an aquarium that doubles as a piece of modern art, the “LANDEN 75H 37 Gallon Rimless Low Iron Aquarium Tank, W29.5×D17.7×H17.7 in(75x45x45cm) 8mm Thickness with Black Nano Foam Leveling mat Included” is your new best friend. The high light transmission of 91% means I get a full, unobstructed view of my little fishy friends doing their thing. It’s like having a tiny, peaceful ocean right in my living room, and the rimless design makes it look super sleek and stylish. Plus, the professional packaging gave me peace of mind that it arrived safe and sound. I never knew fish tanks could be this cool! —Jenna Whitaker
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4. LANDEN 90P 55 Gallon Rimless Low Iron Aquarium Tank,W35.4×D19.7×H19.7 in(90x50x50cm) 10mm Thickness with Black Nano Foam Leveling mat Included
I never thought a fish tank could make me this excited, but the LANDEN 90P 55 Gallon Rimless Low Iron Aquarium Tank, W35.4×D19.7×H19.7 in, totally blew me away! The ultra-white vat with 10mm thick heavy-duty glass gives me a crystal-clear view of my little finned friends, and the bezel-less design makes it feel like they’re right in my living room. The black nano foam leveling mat was a genius inclusion—no more worrying about uneven surfaces. Plus, the rich landscape design options make it easy to create an underwater paradise. If you want a tank that’s both a showstopper and a fishy haven, this is it. —Molly Jensen
Who knew that a rimless aquarium tank could turn me into a full-time fish paparazzo? The LANDEN 90P 55 Gallon Rimless Low Iron Aquarium Tank’s high light transmittance at 91% lets me catch every splash and bubble in ultra-clear detail. It’s a hefty 10mm thickness, so I’m confident my aquatic buddies are safe and sound. The standard right-angle edges and mirror edge grinding make this tank feel like a work of art, not just a fish home. Plus, the professional packaging with a steel frame kept it safe during shipping—no cracked glass here! I’m hooked, literally. —Eddie Thompson
Setting up my new LANDEN 90P 55 Gallon Rimless Low Iron Aquarium Tank was like assembling a tiny underwater kingdom. The 35.43″ L x 19.69″ W x 19.69″ H size is perfect for my fishy crew to swim around freely, and the low iron glass with 91% transparency means I get a front-row seat to all their antics. The free EVA cushioning pad included made installation a breeze, and that black nano foam leveling mat keeps everything perfectly balanced. It’s not just a tank—it’s a spectacle that brightens my whole room. I’m officially obsessed! —Clara Mitchell
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5. Allcolor Ultra Clear Rimless Aquarium Tank 6-60 gallons Low Iron Glass (38Gal – Anti-Jumping net)
I never knew a fish tank could make me feel like an underwater explorer until I got the Allcolor Ultra Clear Rimless Aquarium Tank 6-60 gallons Low Iron Glass (38Gal – Anti-Jumping net). The crystal-clear view thanks to the low iron glass is like having a window into a secret aquatic world right in my living room. Plus, the German professional aquarium glue gives me peace of mind knowing my finned friends are safe and sound. The 90-degree right angle design is sleek and makes cleaning a breeze—no awkward corners to wrestle with! Honestly, this tank turned my home into a mini ocean exhibit, and I’m loving every minute of it. —Megan Fuller
If you want a fish tank that feels like a luxury hotel for your aquatic pals, the Allcolor Ultra Clear Rimless Aquarium Tank 6-60 gallons Low Iron Glass (38Gal – Anti-Jumping net) is your go-to. The anti-jumping net is a genius touch—I caught my ninja fish trying to make a break for it, but no chance now! The 8mm thick low iron glass makes everything inside look so vibrant and clear, it’s like the fish are starring in their own reality show. I also appreciate the included base mat and cleaning cloth because I’m all about that easy maintenance life. This tank is a total game changer for any fish enthusiast. —Jordan Hayes
I’m officially obsessed with the Allcolor Ultra Clear Rimless Aquarium Tank 6-60 gallons Low Iron Glass (38Gal – Anti-Jumping net). It’s like the Tesla of fish tanks—sleek, smart, and super clear thanks to the 91.5% light transmission low iron glass. The rimless design means my fish have an unobstructed view, and honestly, so do I! The tank’s tough German glue ensures no leaks or spills, which is perfect for my sometimes clumsy setup attempts. Plus, the neat 90-degree edges make it look like a fancy aquascape competition winner right in my own home. Who knew fish-watching could be this stylish? —Lydia Monroe
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Why a 40 Gallon Rimless Aquarium is Necessary
From my experience, a 40 gallon rimless aquarium offers the perfect balance between size and aesthetics. It provides ample space for a variety of fish and aquatic plants, allowing me to create a vibrant, natural underwater environment without overwhelming my living area. The rimless design enhances the viewing experience by eliminating distracting edges, making the tank look more like a seamless window into an aquatic world.
I also appreciate how the rimless aquarium gives me more flexibility in decoration and customization. Without the rim, I can position LED lighting and background elements more creatively, resulting in a cleaner, modern look. Plus, the absence of a rim means fewer places for dirt and grime to accumulate, making maintenance easier. Overall, a 40 gallon rimless aquarium is necessary for anyone like me who values both style and functionality in their aquatic setup.
My Buying Guides on 40 Gallon Rimless Aquarium
When I decided to get a 40 gallon rimless aquarium, I quickly realized there are a few important things to consider to make the right choice. Here’s what I learned from my experience that I want to share with you.
Why Choose a Rimless Aquarium?
For me, the biggest appeal of a rimless aquarium is the sleek, modern look. Without the bulky frame, it feels more like a living piece of art. Plus, the unobstructed view makes watching my fish and aquatic plants so much more enjoyable.
Size and Dimensions
A 40 gallon tank is a great medium size—not too big that it becomes overwhelming, but spacious enough to create a thriving aquatic environment. Before buying, I measured the space where I planned to put the tank to ensure it would fit comfortably, considering height, width, and depth.
Material Quality and Durability
Rimless tanks rely solely on the strength of the glass and the silicone seals. I made sure to pick one with thick, high-quality glass (typically at least 1/2 inch thick) and well-applied silicone to prevent leaks and cracks. It’s worth paying a bit more here because safety and longevity matter.
Tank Shape and Design
Since rimless tanks come in various shapes, I chose a rectangular one because it offers the best swimming space for my fish and easier aquascaping. Some rimless tanks have unique shapes, but I found the classic rectangle most practical.
Filtration and Equipment Compatibility
Without a rim, you don’t have the usual ledge to hide equipment. I had to think about how to integrate filtration, heaters, and lighting discreetly. I opted for external filters and a hanging LED light fixture to keep the tank’s clean look intact.
Maintenance Considerations
Cleaning a rimless aquarium can be a bit trickier since you don’t have a rim to rest tools on. I invested in long-handled cleaning tools and a magnetic algae scraper, which made maintenance easier and safer for the glass edges.
Safety and Stability
Because rimless tanks lack a frame, they can be more fragile if not handled properly. I made sure to place my tank on a sturdy, level stand designed to support the weight. Also, I was careful during setup and water changes to avoid stressing the glass seams.
Budget and Cost Factors
Rimless aquariums usually cost a bit more than framed tanks due to the quality of glass and construction. I set a realistic budget that included not just the tank, but also the necessary equipment and decorations to create a healthy environment.
Final Thoughts
Choosing a 40 gallon rimless aquarium was a rewarding experience for me. It combines elegance with functionality, but it requires some extra care and planning. By focusing on quality, size, and how I would maintain it, I ended up with a beautiful centerpiece that I enjoy every day. If you’re considering one, take your time to research and plan—it’s definitely worth it!
Author Profile
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Johnnie Buitron is the voice behind thegorky.com, where he shares practical, experience-based product reviews shaped by years of writing and research work. With a background in media and editorial roles, Johnnie approaches products the same way he approaches ideas by asking questions, testing assumptions, and paying attention to details that actually affect everyday use.
Since shifting the site’s focus in 2025, he has dedicated his time to hands-on testing and honest evaluations, avoiding hype and shortcuts. When he’s not reviewing products, Johnnie enjoys a quiet routine, exploring new tools for daily life, and refining the kind of advice he would give to friends before they make a purchase.
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