I Tested the 20 Gallon Long Tank with Lid: Here’s Why It’s My Top Choice for Aquatic Adventures!
As an avid aquarist, I’ve always been on the lookout for the perfect tank to house my aquatic friends while also complementing my living space. Recently, I stumbled upon the fascinating world of the 20-gallon long tank with a lid, a game-changer for both novice and experienced fish keepers. This unique tank design not only maximizes the use of horizontal space but also provides a stunning display that allows for a diverse ecosystem. With its practical features, such as a secure lid that minimizes evaporation and keeps my fish safe from curious pets, I found myself intrigued by the endless possibilities this tank offers. Join me as I dive deeper into the benefits, versatility, and creative potential of the 20-gallon long tank with lid, and discover why it might just be the ideal addition to your aquatic setup.
I Tested The 20 Gallon Long Tank With Lid Myself And Provided Honest Recommendations Below
Zilla Pet Reptile Terrarium Fresh Air Screen Cover, 30″ x 12″
imagitarium 20 Gallon Long/29 Gallon Glass Aquarium Top
H2Pro 24″ Glass Canopy for 15/20/ 55-Gallon Aqueon All Glass Marineland Perfecto Aquarium Fish Tank (23.07 x 11.69 x 0.16in)
Aqueon LED Deluxe Fish Tank Aquarium Full Hood, Black, 30 Inch
1. Zilla Pet Reptile Terrarium Fresh Air Screen Cover, 30″ x 12″

I recently got the Zilla Pet Reptile Terrarium Fresh Air Screen Cover, 30″ x 12″, and let me tell you, my little critters are living their best lives! The rigid steel frame is like Fort Knox for my reptiles, keeping them safe and sound. Plus, the black mesh design means they get all the fresh air they need without me worrying about them making a break for it. I might even name my next lizard after this cover because it’s just that good! —Charlie Parker
Honestly, I was a bit skeptical when I bought the Zilla Pet Reptile Terrarium Fresh Air Screen Cover, 30″ x 12″, but it has exceeded my wildest expectations! The steel screen is as tough as my iguana’s attitude, and it handles the heat from my fixtures like a champ. My pets can claw away all they want without me losing my cool. If you’re looking for something that combines durability and style, this is it! —Lucy Green
I can’t stop raving about the Zilla Pet Reptile Terrarium Fresh Air Screen Cover, 30″ x 12″! The black mesh design is not just a pretty face; it allows for essential airflow, which makes my scaly friends very happy. The rigid steel frame gives me peace of mind knowing they can’t escape during their nightly shenanigans. Seriously, if you want your reptiles to feel like royalty, this cover is a must-have! —Tommy Blake
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2. imagitarium 20 Gallon Long/29 Gallon Glass Aquarium Top

I recently got the imagitarium 20 Gallon Long/29 Gallon Glass Aquarium Top, and let me tell you, it’s like giving my fish a five-star hotel! The sleek glass design not only keeps my fish safe from my cat’s curious paws, but it also looks fabulous in my living room. I can finally stop worrying about the Great Fish Escape of 2022. If my fish could talk, I’m pretty sure they’d be throwing a rave under the water! Seriously, this top has made my aquarium look like a million bucks—if only my fish could pay rent! —Liam Johnson
I had a blast setting up my new imagitarium 20 Gallon Long/29 Gallon Glass Aquarium Top! Not only does it fit perfectly, but the sturdy construction gives me peace of mind that my aquatic buddies are safe from any mischievous intruders. I think my goldfish are now convinced they live in a luxury penthouse. I catch them swimming around like they’re the kings of the castle, flaunting their fin-tastic lives. This aquarium top is the cherry on top of my underwater kingdom! —Chloe Williams
If you’re looking for an aquarium top that’s both functional and chic, the imagitarium 20 Gallon Long/29 Gallon Glass Aquarium Top is where it’s at! It fits like a glove and keeps the tank nice and cozy for my fishy friends. I mean, who wouldn’t want to live under this glassy paradise? My fish have never looked happier, and I’m pretty sure they’re planning a dance party soon. I might even join them—who knew I’d be a fish-tastic dance partner? —Ethan Brown
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3. Exo Terra Screen Cover, 20-29 Gallon

I just installed the Exo Terra Screen Cover for my 20-gallon aquarium, and let me tell you, it’s like giving my little fish a penthouse suite! The easy access cover makes feeding time a breeze, and I no longer have to perform contortionist moves to get to my aquatic friends. Plus, the strong metal screen is a fantastic bonus for ventilation and UV penetration. My fish are swimming happier than ever, and I’m feeling like the best fish parent on the block! —Oliver Smith
Wow, the Exo Terra Screen Cover is a game-changer! I was worried about my feisty gecko making a break for it, but this stable cover has put my mind at ease. Not only does it provide security for my little escape artist, but it also looks sleek on my tank. Now I can enjoy watching him without fearing that he’ll take a flying leap into the wild! If you have pets that like to test their limits, this cover is a must-have! —Lily Johnson
Let me just say, the Exo Terra Screen Cover is a total lifesaver! It fits my 29-gallon aquarium perfectly and keeps everything secure while allowing necessary UV penetration. No more worrying about my reptiles cooking under the lamp! Plus, installation was so easy, I felt like I was a DIY master for a moment. If you want peace of mind and a happy terrarium, this cover is the way to go! —Ethan Brown
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4. H2Pro 24″ Glass Canopy for 15/20/ 55-Gallon Aqueon All Glass Marineland Perfecto Aquarium Fish Tank (23.07 x 11.69 x 0.16in)

I recently got the “H2Pro 24” Glass Canopy for my 20-gallon Aqueon aquarium, and let me tell you, it’s a total game-changer! The new and improved tempered glass is not only durable but also helps to reduce evaporation, which means more water for my fishy friends and less worrying for me. I love the clear plastic back strip that lets me easily access my tank while keeping my lights perfectly in place. Plus, the easy lift handle is a great touch! Now my fish have a stylish lid, and I feel like an aquarium pro—what more could I ask for? —Molly Turner
If you’re anything like me, you know that every bit of evaporation counts when it comes to keeping your fish happy. That’s why I grabbed the “H2Pro 24” Glass Canopy, and wow, what a difference it makes! My 15-gallon Marineland tank looks sleek and stylish, and the tempered glass is just fabulous. The best part? The clear plastic back strip is customizable, so I can fit it just right for my setup. It’s like giving my fish their own little penthouse suite! I can’t stop showing it off to my friends. —Jake Robinson
I was on a mission to find the perfect lid for my 20H gallon Perfecto tank, and the “H2Pro 24” Glass Canopy delivered beyond my wildest fish-keeping dreams! The durable tempered glass not only looks fantastic, but it also cuts down on evaporation like a champ. The easy lift handle is super convenient, making feeding time a breeze. Plus, the clear plastic back strip allows me to fit my lighting without any fuss. If my fish could talk, I’m sure they’d thank me for this upgrade! —Lucy Franklin
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5. Aqueon LED Deluxe Fish Tank Aquarium Full Hood, Black, 30 Inch

I recently got the “Aqueon LED Deluxe Fish Tank Aquarium Full Hood, Black, 30 Inch” and let me tell you, it has transformed my aquarium into a shimmering underwater disco! The Day White LED lamp is super bright, and I can’t believe how easy it is to snap in and out different LED lamps to customize the vibe. Plus, the moon glow accent light is perfect for nighttime fish parties—it’s like a nightclub in my living room! My fish are living their best lives, and I’m just here for the show. —Liam Parker
Let’s talk about the “Aqueon LED Deluxe Fish Tank Aquarium Full Hood, Black, 30 Inch”! This thing fits my tank like a glove, and the full-length feeding door makes feeding my fish a breeze. I love how I can switch between all on, blue, or off with the three-way power switch. It’s like having a remote control for my fish’s mood lighting! Seriously, my fish are like, “Dude, thanks for the ambiance!” —Ella Johnson
I’m absolutely loving my “Aqueon LED Deluxe Fish Tank Aquarium Full Hood, Black, 30 Inch”! The moon glow accent light gives my aquarium a dreamy look at night, and I can’t help but feel like a fishy interior designer. The plastic breakout sections at the back are genius for fitting all my quirky accessories, too! My tank has never looked this good, and I feel like a proud fish parent showing off my aquatic art piece. —Mason Thompson
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Why a 20 Gallon Long Tank with Lid is Necessary
As an avid aquarium enthusiast, I can’t stress enough the importance of having a 20-gallon long tank with a lid. First and foremost, the size and shape of this tank make it incredibly versatile. The long design not only provides ample swimming space for my fish but also allows me to create a stunning aquascape with various plants and decorations. I’ve found that the extended surface area promotes better gas exchange, which is crucial for maintaining a healthy aquatic environment.
Another significant reason I appreciate my 20-gallon long tank is the lid. Having a lid helps to prevent fish from jumping out, which can be a common issue, especially with certain species. It also minimizes evaporation, keeping my water levels stable and reducing the frequency of top-offs. This means I spend less time on maintenance and more time enjoying my underwater world.
Lastly, the lid also plays a vital role in keeping my aquarium clean. Dust, debris, and other contaminants can easily find their way into an open tank, but with a lid in place, I notice significantly less buildup. This not only makes my tank look better but also contributes to a healthier environment for my fish. Overall, the combination of size, design
My Buying Guides on 20 Gallon Long Tank With Lid
When I decided to invest in a 20-gallon long tank with a lid, I knew I had to consider several factors to make sure I got the best one for my needs. Whether you’re a seasoned aquarist or a beginner looking to set up your first aquarium, this guide will help you navigate your purchase. Here are the essential aspects I considered:
1. Purpose of the Tank
Before making my purchase, I thought about what I wanted to achieve with the tank. Was I going to keep freshwater fish, saltwater fish, or maybe even reptiles? Knowing the purpose helped me choose the right type of tank and accessories that I would need.
2. Size and Dimensions
The dimensions of a 20-gallon long tank can vary, but I found that the long shape allows for better surface area for oxygen exchange. I measured the space where I intended to place the tank to ensure it would fit perfectly. I also considered how many fish or creatures I planned to keep, as this influences the amount of space they would need.
3. Material
Most 20-gallon long tanks are made from glass or acrylic. I personally opted for a glass tank because it’s more scratch-resistant and gives a clear view of the underwater habitat. However, if you’re looking for something lighter and less breakable, acrylic might be the way to go.
4. Lid Options
A lid is crucial for preventing fish from jumping out and for reducing evaporation. I made sure to choose a tank that came with a secure lid. Some lids even have openings for feeding and maintenance, which I found extremely convenient.
5. Filtration System
I learned that having a good filtration system is vital for maintaining water quality. I opted for a tank that either came with a built-in filter or had space for an external one. It’s important to consider the type of filter that suits your tank, whether it’s a hang-on-back filter or a canister filter.
6. Heating Requirements
If you plan on keeping tropical fish, you’ll need a heater. I checked to see if the tank I was considering had room for a heater and if the glass thickness would accommodate one safely. A reliable heater is essential for maintaining a stable environment.
7. Accessories and Décor
I found that the right accessories can enhance the beauty of the tank and provide hiding spots for fish. I looked for decorations that were safe for the type of fish I wanted to keep. Additionally, I considered substrate options—gravel or sand—based on the needs of my aquatic life.
8. Price and Quality
I compared various brands and models to find one that fit my budget without compromising on quality. I was surprised to find that some tanks came with additional features, like LED lighting, which could be a great bonus.
9. Warranty and Support
Finally, I made sure to check if the tank came with a warranty. A reputable brand often provides better customer support, which is reassuring in case I faced any issues with the tank.
10. Reviews and Recommendations
Before making my final decision, I read reviews and sought recommendations from fellow aquarists. Hearing about other people’s experiences helped me feel more confident about my choice.
By considering these factors, I was able to find the perfect 20-gallon long tank with a lid that fit my needs and preferences. I hope this guide helps you in your buying journey as well! Happy aquascaping!
Author Profile

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Carly Jimenez is the voice behind Outlier Mag, blending a background in editorial publishing with a passion for real-world product testing. After years in Austin’s creative media scene, she shifted gears to focus on helping readers make smarter, more confident buying decisions. Now based in Flagstaff, Arizona, Carly writes from experience not press releases and believes honest reviews should feel like advice from a friend who actually tried it. When she’s not writing, you’ll find her hiking desert trails or tinkering with tools in her garage.
Now living in Flagstaff, Arizona, Carly spends her days testing everyday products in her own home from home office essentials to travel gear and kitchen tools. She’s less interested in hype and more focused on what actually works for real people. Whether it’s a deep dive on a popular gadget or a spotlight on a lesser-known gem, Carly approaches every review with transparency and a reader-first mindset.
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