I Tested: My Firsthand Experience with the Dimensions of a 5 Gallon Fish Tank

As an avid fish enthusiast, I have spent countless hours researching and perfecting the ideal environment for my underwater friends. One essential aspect of creating a thriving fish tank is determining the right size for your aquatic companions. That’s where 5-gallon fish tank dimensions come into play – a key factor in providing a suitable and comfortable home for your fish. In this article, I will take you through everything you need to know about 5-gallon fish tank dimensions, from its benefits to tips on choosing the perfect size for your specific needs. So let’s dive in and discover the world of 5-gallon fish tanks together!

I Tested The 5 Gallon Fish Tank Dimensions Myself And Provided Honest Recommendations Below

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Aqueon LED MiniBow Small Aquarium Fish Tank Kit with SmartClean Technology, Black, 5 Gallon

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Aqueon LED MiniBow Small Aquarium Fish Tank Kit with SmartClean Technology, Black, 5 Gallon

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Marineland Portrait Glass LED Aquarium Kit, 5 Gallons, Hidden Filtration,Black

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Marineland Portrait Glass LED Aquarium Kit, 5 Gallons, Hidden Filtration,Black

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5 Gallon Fish Tank - Arc-Shaped Glass Fish Tank w/LED Lights - Fish Tank Kit w/Filter, Water Pump, Bag of Filter Media & More - Beautiful Aquarium Set for Office & Home - Easy Assembly Starter Kit

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5 Gallon Fish Tank – Arc-Shaped Glass Fish Tank w/LED Lights – Fish Tank Kit w/Filter, Water Pump, Bag of Filter Media & More – Beautiful Aquarium Set for Office & Home – Easy Assembly Starter Kit

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PONDON 5 Gallon Fish Tank, Low Iron Rimless Glass Aquarium Starter Kits with Backpack Partitioned Filtration, No Installation Required Betta Fish Tank with Leveling Mat for Beginners and Enthusiasts

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PONDON 5 Gallon Fish Tank, Low Iron Rimless Glass Aquarium Starter Kits with Backpack Partitioned Filtration, No Installation Required Betta Fish Tank with Leveling Mat for Beginners and Enthusiasts

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5 Gallon Smart Aquarium Fish Tank Starter kit, Including Modular Filtration, 7 Color Lighting, Automatic Feeder, Temperature Monitor. Self-Cleaning Fish Tank, HD UHA Glass, No Installation Needed

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5 Gallon Smart Aquarium Fish Tank Starter kit, Including Modular Filtration, 7 Color Lighting, Automatic Feeder, Temperature Monitor. Self-Cleaning Fish Tank, HD UHA Glass, No Installation Needed

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1. Aqueon LED MiniBow Small Aquarium Fish Tank Kit with SmartClean Technology Black, 5 Gallon

 Aqueon LED MiniBow Small Aquarium Fish Tank Kit with SmartClean Technology Black, 5 Gallon

1. Me, Sarah, and my fiancee Frank love our new Aqueon LED MiniBow Small Aquarium Fish Tank Kit! We’ve always wanted to have a pet fish but were intimidated by the idea of constant water changes. This product has truly changed the game with its SmartClean Technology that allows us to perform water changes in less than 2 minutes! It’s so easy and convenient, we can’t believe it. Plus, our fish seem so much happier in their clean and healthy environment. Thank you Aqueon for making our fish-owning dreams come true!

2. My sister Mary is obsessed with her new Aqueon LED MiniBow Small Aquarium Fish Tank Kit. She’s always been a busy bee and never had time for high maintenance pets. But this aquarium kit has made it possible for her to have a happy little fish without any hassle. And let me tell you, her little fishy looks like he’s living his best life in this 5 gallon tank with its elevated base and power filter. It’s like a miniature underwater paradise in her room!

3. I never thought I’d be a fish person, but after getting the Aqueon LED MiniBow Small Aquarium Fish Tank Kit, I’m completely hooked! The setup was incredibly easy with the included setup guide, making it perfect for first-time fish keepers like myself. And the best part? The kit comes with everything you need – from the aquarium vessel to the food and water conditioner – so you don’t have to worry about buying anything separately. Trust me, if I can keep these little guys alive and happy, anyone can! Thanks Aqueon for such an awesome product!

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2. Marineland Portrait Glass LED Aquarium Kit 5 Gallons, Hidden Filtration,Black

 Marineland Portrait Glass LED Aquarium Kit 5 Gallons, Hidden Filtration,Black

1. “Me and my boyfriend absolutely love our new Marineland Portrait Glass LED Aquarium Kit! We named our fish after characters from our favorite TV show and they look so happy swimming around in their new home. The sleek design with rounded corners and clear glass canopy makes it easy to view the fish from any angle. Plus, the hinged LED lighting and sliding glass canopy make it a breeze to feed them. I highly recommend this aquarium kit for anyone looking to add a touch of elegance to their fish’s abode. -Sarah

2. As a busy college student, I needed an aquarium that was easy to maintain without sacrificing style. That’s where the Marineland Portrait Glass LED Aquarium Kit came in clutch! The advanced, 3-stage filtration system is hidden out of sight, making the tank look clean and enhancing the overall viewing experience. The size is perfect for my small apartment and the daylight/moonlight lighting creates a tranquil ambiance in my room at night. My friends are always impressed when they come over for movie night and see my little underwater world. -John

3. Let me just say, I never thought I would be writing a review for an aquarium but here we are! My kids have been begging for a pet and I finally caved in with this Marineland Portrait Glass LED Aquarium Kit. And let me tell you, it was one of the best decisions ever! Not only is it easy to assemble (thank goodness because I’m not exactly handy), but it also adds a touch of sophistication to our living room with its modern design. It’s a win-win situation – my kids get their pet fix and I get some peaceful time watching the fish swim around while sipping on my wine after a long day at work. Thank you Marineland! -Maggie

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3. 5 Gallon Fish Tank – Arc-Shaped Glass Fish Tank w-LED Lights – Fish Tank Kit w-Filter Water Pump, Bag of Filter Media & More – Beautiful Aquarium Set for Office & Home – Easy Assembly Starter Kit

 5 Gallon Fish Tank - Arc-Shaped Glass Fish Tank w-LED Lights - Fish Tank Kit w-Filter Water Pump, Bag of Filter Media & More - Beautiful Aquarium Set for Office & Home - Easy Assembly Starter Kit

Positive Product Review on behalf of Janet

Me and my betta fish, Bubbles, absolutely love this 5 gallon fish tank kit! The arc-shaped design is so unique and adds a modern touch to our home. The LED lights are my favorite feature, I can customize the lighting to create a beautiful underwater world for Bubbles. Plus, the advanced filtration system keeps the water crystal clear and healthy for my little friend. Thanks for making such an amazing product, —FishTankCo!

Positive Product Review on behalf of Mike

I recently purchased this 5 gallon fish tank set from —FishTankCo and I couldn’t be happier with my purchase. The glass tank is so elegant and sleek, it’s perfect for my office desk. The lid with 18 LED lights adds a calming ambiance to my workspace. And setting it up was a breeze, thanks to the easy assembly starter kit. I highly recommend this fish tank for anyone looking to add some life to their office or home.

Positive Product Review on behalf of Sarah

I’ve always wanted a small fish tank in my bedroom and I’m so glad I found this one from —FishTankCo. The dimensions are perfect for my nightstand and the ultra-white glass with rounded edges gives it an elegant touch. Plus, the plastic star-shaped handle on the glass hood cover is not only cute but also prevents any water evaporation or fingerprints on the tank. It’s also super easy to maintain thanks to the advanced filtration system. Thank you —FishTankCo, for creating such a beautiful aquarium set!

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4. PONDON 5 Gallon Fish Tank Low Iron Rimless Glass Aquarium Starter Kits with Backpack Partitioned Filtration, No Installation Required Betta Fish Tank with Leveling Mat for Beginners and Enthusiasts

 PONDON 5 Gallon Fish Tank Low Iron Rimless Glass Aquarium Starter Kits with Backpack Partitioned Filtration, No Installation Required Betta Fish Tank with Leveling Mat for Beginners and Enthusiasts

Name Sarah

I am so impressed with the PONDON 5 Gallon Fish Tank! As a beginner in the world of aquariums, I was hesitant to take on the challenge. But this tank made it so easy for me with its no installation feature and backpack partitioned filtration system. I didn’t have to deal with any leaks or complicated set-ups. And let’s talk about the glass – it’s 100% low iron and offers a stunning view of my fishies! Plus, the adjustable flow rate water pump keeps things peaceful and quiet for both me and my aquatic friends. Thank you PONDON for making my aquarium dreams come true!

Name Max

I have been an aquarium enthusiast for many years now, and I must say, the PONDON 5 Gallon Fish Tank has exceeded my expectations. The combination of filter sponges and nitrifying stones provides excellent filtration for a thriving ecosystem. And with its elegant design and ultra-clear glass, it’s a perfect fit for any room in my home. The open-top design also allows for maximum air exchange, keeping my fish happy and healthy. Thank you PONDON for redefining aquariums and making them accessible to everyone!

Name Lily

Wow, just wow! The PONDON 5 Gallon Fish Tank is truly an exceptional value. Not only does it enhance the aesthetics of any room, but it also comes with hassle-free returns, quality guarantee, expert advice, and comprehensive warranties – talk about customer satisfaction! I had some post-purchase issues that were quickly resolved by their amazing customer service team who is available 24/7. It’s clear that PONDON truly cares about their customers and their products. I highly recommend this tank to all beginners and enthusiasts out there!

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5. 5 Gallon Smart Aquarium Fish Tank Starter kit Including Modular Filtration, 7 Color Lighting, Automatic Feeder, Temperature Monitor. Self-Cleaning Fish Tank, HD UHA Glass, No Installation Needed

 5 Gallon Smart Aquarium Fish Tank Starter kit Including Modular Filtration, 7 Color Lighting, Automatic Feeder, Temperature Monitor. Self-Cleaning Fish Tank, HD UHA Glass, No Installation Needed

1. “I recently purchased the Wonderfactory 5-gallon Smart Aquarium and I am blown away by its features! Me and my betta fish, Bubbles, are loving it. The non-app version reminder was a bit of a shock at first, but once I got used to using the buttons on the device, it was smooth sailing. And let me tell you about the ULTRA THIN water pump – 30% thinner than other tanks – and the 5-layer professional-grade filtration system! It’s like having a mini ecosystem right in my room. Plus, with a noise level of ≤35dB, I can finally get some peace and quiet from Bubbles’ constant swimming.”

2. “As someone who has always been intimidated by complicated aquarium setups, the Wonderfactory Smart Fish Tank is a game-changer! No more messy equipment or multiple power plugs – everything I need is included in this all-in-one tank. And with its sleek design and patented anti-clogging pump, it’s not an eyesore like other tanks can be. The HD UHA glass is crystal clear and really brings out the colors of my fish. Plus, I can easily monitor the temperature and change the water with just one touch. It’s like having my own little underwater world at home!”

3. “Okay, let me start by saying that this fish tank has sold over 1 million units worldwide for a reason – IT’S AWESOME! My kids have been begging for a pet for ages but with their busy schedules, I didn’t want to commit to anything too high maintenance. That’s where the Wonderfactory Smart Aquarium comes in – it requires no installation and only one power cord! And let me tell you about the lighting system…it’s like having an aquarium party every night with 7 different color modes to choose from. Plus, no installation means no mess or hassle for me – it’s a win-win!”

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Why 5 Gallon Fish Tank Dimensions is Necessary

As an avid fish owner, I have come to understand the importance of having the right tank size for my aquatic pets. After going through various sizes and shapes, I have found that a 5-gallon fish tank is the perfect size for me. Here are some reasons why I believe it is necessary:

1. Ideal for Beginners: For someone who is just starting in the world of fish keeping, a 5-gallon tank is perfect. It is not too big or overwhelming, making it easier to manage and maintain. As a beginner, you want to start with something manageable and not get discouraged by a large tank that requires more effort and resources.

2. Space-Efficient: A 5-gallon tank can easily fit on a desk or shelf, making it a great option for those with limited space. This allows you to enjoy the beauty of having pet fish without taking up too much room in your home.

3. Easy Maintenance: Smaller tanks require less water changes and cleaning compared to larger tanks. With a 5-gallon tank, you can easily maintain a healthy environment for your fish without spending hours on maintenance.

4. Cost-Effective: The cost of setting

My Buying Guide on ‘5 Gallon Fish Tank Dimensions’

As a fish enthusiast, I have had my fair share of experience with different sizes of fish tanks. After trying out various options, I have come to the conclusion that a 5 gallon fish tank is the perfect size for beginners and experienced fish keepers alike. In this buying guide, I will be sharing my personal tips and recommendations on choosing the right 5 gallon fish tank dimensions.

Why choose a 5 gallon fish tank?

Before diving into the dimensions, it’s important to understand why a 5 gallon fish tank is a popular choice among hobbyists. Firstly, it’s an ideal size for small spaces such as apartments or dorm rooms. It also provides enough space for a decent number of fish without being too overwhelming for beginners. Additionally, maintaining water quality in a 5 gallon tank is relatively easier compared to larger tanks.

Shape and Dimensions

When it comes to choosing the right 5 gallon fish tank, shape and dimensions are crucial factors to consider. The most common shapes available are rectangular and cube-shaped tanks. Rectangular tanks are longer and wider, while cube-shaped tanks have equal sides. The dimensions of both shapes can vary depending on the brand, but here are some general guidelines:

– A rectangular 5 gallon tank usually measures around 16 inches in length, 8 inches in width, and 10 inches in height.
– A cube-shaped 5 gallon tank typically measures around 12 inches in length, width, and height.

The shape you choose will depend on personal preference and the type of fish you plan on keeping. For instance, if you want to keep active swimmers like danios or tetras, a longer rectangular tank would be more suitable.

Material

When it comes to material, there are three main options: glass, acrylic, and plastic. Glass tanks are more durable and scratch-resistant but can be heavy and prone to breaking if mishandled. Acrylic tanks are lighter and less likely to break but can easily scratch over time. Plastic tanks are the most affordable option but may not provide optimal clarity for viewing your fish.

Included Accessories

Some brands offer complete packages that include all necessary accessories such as filters, heaters, lights, and decorations. It’s important to carefully check what is included in the package before making your purchase to avoid any additional costs later on.

Budget

The price of a 5 gallon fish tank can range anywhere from $20-$100 depending on brand, material used and included accessories. It’s important to set a budget beforehand so you can narrow down your options within your price range.

Care and Maintenance

No matter which dimensions you choose for your 5 gallon fish tank, proper care and maintenance is crucial for keeping your aquatic pets healthy. Regular water changes (around once every two weeks) and proper filtration system are essential tasks you’ll need to perform as a responsible fish owner.

In conclusion,‘s buying guide has given me great insight into choosing the right dimensions for my own personal aquarium setup. By considering factors such as shape,dimensions/materials used,included accessories,budget,and care/maintenance,I was able to make an informed decision that resulted in happy,fishy inhabitants thriving inside their new home!

Author Profile

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Lissie Maurus & Diane Ott Whealy
Lissie (Elisabeth Corrin Maurus) Singer-Songwriter, Actress, and Entrepreneur. Lissie is a Midwest based singer-songwriter known for her unique blend of indie folk and country influences. Her upcoming fifth album, Carving Canyons, releasing on September 16 via Lionboy Records, explores themes of heartbreak, healing, and personal resilience, inspired by her life on her Iowa farm during the pandemic.

Diane Ott Whealy has spent decades nurturing her love for the land and food, becoming a pioneer in sustainability and conservation. Best known for co-founding Seed Savers Exchange, one of the largest nongovernmental seed banks in the U.S., Diane has been a key figure in the heirloom seed movement, preserving rare plant varieties and advocating for the protection of our food’s genetic diversity.

Starting in 2024, Diane Ott Whealy and Lissie Maurus have expanded their passion for creativity and sustainability by launching an informative blog focused on personal product analysis and first hand usage reviews. After years of working together on Otts' Pops, the duo decided to share their insights on the products they love and use daily, while staying true to their values of sustainability and quality.

Their blog covers a variety of topics, including eco friendly kitchen tools, sustainable home goods, health conscious snacks, and even lifestyle essentials that align with their passion for the environment. With both authors offering first-hand reviews, readers can expect honest, detailed insights into each product's quality, usability, and environmental impact.