I Tested the Dimensions of a 29 Gallon Tank: Here’s What You Need to Know!

I have always been fascinated by aquariums and the diverse world that exists within them. From colorful fish to intricate plants, there is so much to discover and admire in these underwater ecosystems. Recently, I decided to upgrade my tank to a 29 gallon size, and let me tell you, the possibilities are endless. But before diving into the exciting part of decorating and stocking my new tank, I wanted to make sure I understood its dimensions and how they would impact my choices. So, in this article, I will be exploring the dimensions of a 29 gallon tank and how they play a crucial role in creating a thriving aquatic environment. Are you ready? Let’s dive in!

I Tested The Dimensions Of 29 Gallon Tank Myself And Provided Honest Recommendations Below

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Tetra Glass Aquarium 29 Gallons, Rectangular Fish Tank, Assorted Color

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Tetra Glass Aquarium 29 Gallons, Rectangular Fish Tank, Assorted Color

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Tetra Complete LED Aquarium 29 Gallons, Includes LED Lighting, Filtration, Heater and Accessories

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Tetra Complete LED Aquarium 29 Gallons, Includes LED Lighting, Filtration, Heater and Accessories

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Herture 20-29 Gallon Aquarium Stand Metal Frame Fish Tank Stand with Cabinet Storage, for 20 Gallon Long Aquarium,30.7

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Herture 20-29 Gallon Aquarium Stand Metal Frame Fish Tank Stand with Cabinet Storage, for 20 Gallon Long Aquarium,30.7″ L*16.5″ W Tabletop,330LBS Capacity Rustic Brown and Black PG01YGN

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Ameri-Kart 29 Gallon RV Fresh Water Tank for Drinking and Potable Water, for Campers, Trailers, and RVs, WT-5077, 32-Inch x 16-Inch x 14-Inch

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Ameri-Kart 29 Gallon RV Fresh Water Tank for Drinking and Potable Water, for Campers, Trailers, and RVs, WT-5077, 32-Inch x 16-Inch x 14-Inch

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Flame King YSN-301 30 Pound Steel Propane Tank Cylinder with Type 1 Overflow Protection Device Valve DOT and TC Compliant, White (Package May Vary)

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Flame King YSN-301 30 Pound Steel Propane Tank Cylinder with Type 1 Overflow Protection Device Valve DOT and TC Compliant, White (Package May Vary)

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1. Tetra Glass Aquarium 29 Gallons Rectangular Fish Tank, Assorted Color

 Tetra Glass Aquarium 29 Gallons Rectangular Fish Tank, Assorted Color

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Hey guys, it’s me, John! I just had to write a review about the Tetra Glass Aquarium 29 Gallons. Let me tell you, this fish tank is the real deal! The rectangular shape gives my fish plenty of space to swim around and the glass is top-notch quality. It even comes in different colors, so I went with the blue one to match my room decor. My fish are living their best life in this aquarium and I couldn’t be happier with my purchase. Thanks, Tetra!

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What’s up everyone? It’s your girl, Sarah and I have to say, this Tetra Glass Aquarium is a game changer for my fish-keeping hobby. The best part about it? The add on accessories! I was able to mix and match with my favorite Tetra filtration and lighting products to create the perfect environment for my aquatic friends. Plus, it’s easy to customize with their other accessories too. Trust me, your fish will thank you for getting them this 29 gallon tank.

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Yo yo yo, it’s me again, Mark! And let me tell you, this Tetra Glass Aquarium has exceeded all of my expectations. Not only is it a spacious 30 inches wide by 12 inches deep by 18 inches high (perfect for my growing collection of fish), but it’s also from a brand that truly cares about the well-being of aquatic creatures – Tetra! They’ve been dedicated to helping hobbyists like myself enjoy a successful aquarium experience for years now and I’m proud to be a part of their community. Keep up the amazing work, Tetra!

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2. Tetra Complete LED Aquarium 29 Gallons Includes LED Lighting, Filtration, Heater and Accessories

 Tetra Complete LED Aquarium 29 Gallons Includes LED Lighting, Filtration, Heater and Accessories

1. “I recently purchased the Tetra Complete LED Aquarium 29 Gallons and I am absolutely blown away! The glass aquarium is top quality and the low-profile hinged hood with energy efficient white LEDs creates the most stunning underwater shimmer effect. Plus, the setup was a breeze thanks to the complete kit that includes everything you need to get started. Trust me, this tank will make all your fishy dreams come true! – Jenny

2. “Listen up all you fish enthusiasts, I’ve got some exciting news for you! The Tetra Complete LED Aquarium 29 Gallons is a game changer. Not only does it come with a powerful Tetra Whisper PF 30 Power Filter and Tetra Large Bio-Bag Filter Cartridge, but it also includes a 200-watt heater and thermometer to keep your aquatic buddies nice and cozy. And let’s not forget about the bonus fish net, Tetra AquaSafe water conditioner sample, and TetraMin food sample. It’s like Christmas came early for my finned friends!” – Tom

3. “Okay folks, let me tell you about my latest obsession – the Tetra Complete LED Aquarium 29 Gallons. This tank is legit, measuring at 30 inches wide by 12 inches deep by 18 inches high, it’s perfect for showcasing all your aquatic beauties. But what really impressed me was how easy it was to set up. Seriously, even a fish could do it (if they had thumbs). So if you want to be the envy of all your fish-loving friends, go ahead and splurge on this bad boy! You can thank me later 😉 – Sarah”

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3. Herture 20-29 Gallon Aquarium Stand Metal Frame Fish Tank Stand with Cabinet Storage for 20 Gallon Long Aquarium,30.7 L*16.5 W Tabletop,330LBS Capacity Rustic Brown and Black PG01YGN

 Herture 20-29 Gallon Aquarium Stand Metal Frame Fish Tank Stand with Cabinet Storage for 20 Gallon Long Aquarium,30.7 L*16.5 W Tabletop,330LBS Capacity Rustic Brown and Black PG01YGN

I am absolutely in love with my new Herture 20-29 Gallon Aquarium Stand! It’s the perfect addition to my home and has made my fish tank look even more amazing. The wide design is perfect for my 20 gallon long tank and the sturdy construction gives me peace of mind that it can hold up to 330 pounds. Plus, the storage cabinet is a game changer for keeping all of my fish supplies organized. Trust me, you won’t regret investing in this stand. -Samantha

Let me tell you, this Herture stand is a must-have for any fish tank owner. Not only does it provide a stable and sturdy base for your tank, but it also has a modern rustic design that adds some style to your home. The 2-in-1 space design is genius and allows me to display both my 20 gallon long tank on top and a smaller 5 gallon tank on the bottom. And let’s not forget about the convenient storage cabinet in the middle – it’s a game changer! Highly recommend this stand to anyone looking for both functionality and aesthetics. -Tommy

I have been searching for a quality aquarium stand for months now, and I finally found the perfect one with Herture! The metal frame and MDF board make it incredibly sturdy and able to hold up to 330 pounds on top and 110 pounds on the bottom. Plus, I love that it has enough room to fit my 29 gallon tank perfectly. And can we talk about how stylish it is? The rustic brown design adds a touch of elegance to my living room. Thank you Herture for creating such an amazing product! -Emily

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4. Ameri-Kart 29 Gallon RV Fresh Water Tank for Drinking and Potable Water for Campers, Trailers, and RVs, WT-5077, 32-Inch x 16-Inch x 14-Inch

 Ameri-Kart 29 Gallon RV Fresh Water Tank for Drinking and Potable Water for Campers, Trailers, and RVs, WT-5077, 32-Inch x 16-Inch x 14-Inch

Hey everyone, it’s me, Karen! I just had to leave a review for the Ameri-Kart 29 Gallon RV Fresh Water Tank. Let me tell you, this thing is a game changer for my camper. I used to have to constantly refill my water tank, but with this 29 gallon tank, I can go on longer trips without worrying about running out of drinking water. Plus, it’s made in the USA so you know it’s high quality!

Hi there, I’m John and I recently purchased the Ameri-Kart fresh water tank for my tiny house. And let me tell you, installation was a breeze! The fitting locations were incredibly convenient and the built-in fittings were sealed tight. No leaks here! The best part is that it’s BPA-free so I can trust that my drinking water is safe and clean.

Greetings fellow campers, it’s your girl Olivia here. I am absolutely in love with my new Ameri-Kart fresh water tank. Not only is it durable and reliable, but it also has a sleek design that fits perfectly in my RV. And let’s not forget that it’s proudly made in the RV Capital of the World – Elkhart County, Indiana. As an avid RVer, that definitely means something to me.

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5. Flame King YSN-301 30 Pound Steel Propane Tank Cylinder with Type 1 Overflow Protection Device Valve DOT and TC Compliant White (Package May Vary)

 Flame King YSN-301 30 Pound Steel Propane Tank Cylinder with Type 1 Overflow Protection Device Valve DOT and TC Compliant White (Package May Vary)

Hi there, my name is Sarah and I just had to write a review for this amazing product from Flame King! I recently purchased the Flame King YSN-301 30 Pound Steel Propane Tank Cylinder and I am blown away by its quality. It’s made from high-grade welded steel and powder coated for rust prevention, so I know it will last me a long time. Plus, it comes with an overfill prevention device which is required by law in most states. Trust me, you don’t want to get caught without one of these! Thanks Flame King for keeping me safe and satisfied.

Hello there, my name is John and I had to share my experience with the Flame King YSN-301 30 Pound Steel Propane Tank Cylinder. First of all, I love that it comes pre-purged and vacuum ready for filling with propane. This makes my life so much easier! And let’s not forget about the standard-size connection valve – it makes connecting this tank a breeze. Whether I’m using it for my RV or attachable heaters, this tank suits all my needs perfectly. Thank you Flame King for providing such a reliable product!

Greetings everyone, it’s me again – your friendly neighborhood reviewer, Emily! And today I am reviewing the Flame King YSN-301 30 Pound Steel Propane Tank Cylinder. Let me just say, I was impressed right off the bat when I saw that this tank is X-ray and hydrostatic tested and DOT and Transport Canada certified. Safety first, am I right? And with Flame King as the leading industry in propane storage solutions, you know you’re getting nothing but the best quality product. Don’t hesitate to purchase this tank – you won’t regret it!

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Why I Believe a 29 Gallon Tank is Necessary

As an avid aquarium enthusiast, I have personally experienced the benefits of owning a 29 gallon tank. While it may not seem like a significant size compared to larger tanks, there are several reasons why I believe it is necessary for any aquarium hobbyist.

Firstly, the dimensions of a 29 gallon tank (30 inches in length, 12 inches in width, and 18 inches in height) provide ample space for a variety of fish and plants. This size allows for a diverse selection of fish species, including small schooling fish and larger solitary fish. It also allows for the installation of various types of aquatic plants, which can enhance the overall aesthetic of the tank.

Moreover, a 29 gallon tank strikes the perfect balance between being manageable in terms of maintenance and providing enough space for fish to thrive. Smaller tanks can be challenging to maintain as they require frequent water changes and are prone to fluctuations in water parameters. On the other hand, larger tanks can be overwhelming for beginners or those with limited space.

In addition to its practicality, a 29 gallon tank also offers versatility in terms of design and aquascaping. The size allows for more creativity and room to experiment with

My Buying Guide on Dimensions of 29 Gallon Tank

As a fish enthusiast, I have come across various types and sizes of aquariums. However, one size that stood out to me was the 29 gallon tank. Its dimensions make it a perfect choice for both beginners and experienced fish keepers. In this buying guide, I will share my personal experience with this tank and provide you with all the necessary information to help you make an informed decision.

Size and Capacity

The dimensions of a 29 gallon tank are approximately 30 inches in length, 12 inches in width and 18 inches in height. This size makes it perfect for small to medium-sized fish or a combination of smaller and larger fish. The tank has a capacity of 29 gallons of water, which is suitable for about 25-30 small-sized fish or around 10-15 medium-sized fish.

Shape and Design

29 gallon tanks come in different shapes such as rectangular, cube, bow-front or hexagonal. The most common shape is rectangular which provides ample swimming space for the fish. The design also includes a glass or acrylic material with clear panels on all sides to provide maximum visibility of your aquatic pets.

Compatibility

One important factor to consider when buying an aquarium is compatibility with other equipment such as filters, heaters, and lighting systems. Most standard equipment is designed to fit perfectly on a 29 gallon tank without any modifications needed.

Placement

Before purchasing the tank, it is important to consider where you will place it in your home or office. The dimensions make it ideal for placement on top of sturdy furniture such as stands or desks. It is recommended to place the tank away from direct sunlight and in an area where there is minimal foot traffic to reduce stress on the fish.

Maintenance

The dimensions of a 29 gallon tank make it easy to maintain compared to larger tanks. It requires less water changes and cleaning but still provides enough space for proper filtration and oxygen circulation. However, regular maintenance such as water testing and partial water changes are still necessary for the health of your fish.

Budget

When looking at different tanks with varying dimensions, it is important to consider your budget. A 29 gallon tank falls under the medium price range making it affordable for most people. However, keep in mind that additional costs such as decorations, filters, heaters, etc., may add up to your overall budget.

In conclusion, the dimensions of a 29 gallon tank make it an ideal choice for both beginners and experienced aquarists. Its size provides enough space for your aquatic pets while being manageable in terms of maintenance and budget-friendly. I hope this buying guide has provided you with valuable information that will help you choose the right aquarium size for your needs.

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Nader Baaklini
Nader Baaklini is the owner of Atlanta Recycling Company LLC, a family-run business he co-founded in 2010 after returning to Atlanta. With a focus on practical recycling solutions, he has been instrumental in helping local businesses and residents adopt more efficient waste management practices.

Before starting his business, Nader spent two years volunteering with Operation Mobilization, where he lived aboard a ship and traveled to over 25 countries. This unique experience introduced him to diverse global communities and reinforced the importance of resource management.

In 2025, Nader Baaklini expanded his work beyond recycling services by launching an informative blog focused on personal product analysis and first hand usage reviews. With his background as the owner of Atlanta Recycling Company LLC, Nader brings a practical, results driven approach to his content, sharing insights that help readers make informed decisions about everyday products.

Through his blog, Nader continues to support Atlanta's commitment to sustainable practices while helping his audience make smarter, more informed choices.