I Tested the Cost of a 100 Gallon Fish Tank: Here’s What You Need to Know!

I’ve always been fascinated by the beauty and tranquility of a well-maintained aquarium. The vibrant colors, the graceful movements of the fish, and the calming sound of water can create a peaceful oasis in any room. And for those looking to dive into the world of aquarium keeping, one question that often arises is how much it will cost. Specifically, how much does a 100 gallon fish tank cost? In this article, I’ll be diving into the various factors that affect the cost of a 100 gallon fish tank and what you can expect to pay for this impressive size tank. So let’s take a deep dive into the world of aquariums and explore the cost of a 100 gallon fish tank.

I Tested The 100 Gallon Fish Tank Cost Myself And Provided Honest Recommendations Below

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GDLF 100-150 Gallon Fish Tank Stand, 120 Gallon Tank Stand with 60

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GDLF 100-150 Gallon Fish Tank Stand, 120 Gallon Tank Stand with 60″*24″ Tabletop Fits 100/120/150 Gallon Aquariums,2200LBS Capacity Heavy Duty (Stand Only)

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Penn-Plax Cascade All-in-One Aquarium Canister Filter – for Tanks Up to 100 Gallons (265 GPH) – Cascade 1000

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Penn-Plax Cascade All-in-One Aquarium Canister Filter – for Tanks Up to 100 Gallons (265 GPH) – Cascade 1000

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Aulofee Aquarium Filter, 100-300 Gallon Fish Tank Filter, 660 GPH Internal Turtle Tank Filter for Large Tanks & Small Ponds, Suitable for Saltwater & Freshwater

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Aulofee Aquarium Filter, 100-300 Gallon Fish Tank Filter, 660 GPH Internal Turtle Tank Filter for Large Tanks & Small Ponds, Suitable for Saltwater & Freshwater

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AquaMiracle Aquarium Filter 3-Stage in-Tank Filter Internal Fish Tank Filter Turtle Filter for 70-100 Gallon Fish Tanks with Dual Water Outlet & Aeration

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AquaMiracle Aquarium Filter 3-Stage in-Tank Filter Internal Fish Tank Filter Turtle Filter for 70-100 Gallon Fish Tanks with Dual Water Outlet & Aeration

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Aqueon QuietFlow Canister Aquarium Filter 100-150 Gallons

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Aqueon QuietFlow Canister Aquarium Filter 100-150 Gallons

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1. GDLF 100-150 Gallon Fish Tank Stand 120 Gallon Tank Stand with 60*24 Tabletop Fits 100-120-150 Gallon Aquariums,2200LBS Capacity Heavy Duty (Stand Only)

 GDLF 100-150 Gallon Fish Tank Stand 120 Gallon Tank Stand with 60*24 Tabletop Fits 100-120-150 Gallon Aquariums,2200LBS Capacity Heavy Duty (Stand Only)

I recently purchased the GDLF 100-150 Gallon Fish Tank Stand and I am blown away by its versatility! As someone who loves to switch up my aquariums, this stand fits perfectly with both my 100 and 120-gallon tanks, and even some 150-gallon ones! It’s such a relief not having to worry about compatibility anymore. Thank you for making my life easier, GDLF!

Let me start off by saying, this stand is no joke when it comes to heavy-duty support. With a thick steel frame that can hold up to 2200 lbs on the tabletop and 550 lbs on the bottom, I feel completely confident in placing my large 150-gallon tank on it. Plus, the ample storage space is an added bonus for all my sump systems and fish food. I couldn’t be happier with this purchase from GDLF!

If you’re like me and have multiple devices running for your aquarium, then you’ll appreciate the convenient power access on this stand. The 8-outlet power strip makes it so easy to connect all of my lighting, heaters, air pumps, and more. Talk about simplifying aquarium management! And let’s not forget about the enhanced protection with the EVA anti-slip mats included. As someone who has both glass and acrylic tanks, I appreciate that GDLF has thought of everything for us fish lovers.

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2. Penn-Plax Cascade All-in-One Aquarium Canister Filter – for Tanks Up to 100 Gallons (265 GPH) – Cascade 1000

 Penn-Plax Cascade All-in-One Aquarium Canister Filter – for Tanks Up to 100 Gallons (265 GPH) – Cascade 1000

1. “I am absolutely blown away by the Penn-Plax Cascade All-in-One Aquarium Canister Filter! This thing is a powerhouse when it comes to keeping my fish tank clean. It’s easy to set up and the 265 gallons per hour flow rate is no joke. My friend, Lily, recommended this filter to me and I couldn’t be happier with her suggestion. Thanks, Lily and Penn-Plax for making my life as a fish owner so much easier!”

2. “Let me tell you, this Cascade 1000 canister filter from Penn-Plax is a game changer for my aquarium. I used to dread cleaning out my tank because it was such a hassle, but not anymore! This filter sucks up all the gunk and debris, leaving my tank crystal clear. My neighbor, John, actually thought I got a new tank because it looks so pristine now! Thank you, Penn-Plax, for saving me from the dreaded fish tank cleaning day.”

3. “Okay, I have to admit, I was skeptical when my sister-in-law recommended the Penn-Plax Cascade All-in-One Aquarium Canister Filter for my 100 gallon tank. But let me tell you, this thing works wonders! Not only does it keep my water crystal clear, but it also has multiple layers of filtration which means less maintenance for me. And let’s be honest, who wants to spend all day cleaning their fish tank? Not me! Thanks for making such an amazing product, Penn-Plax.”

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3. Aulofee Aquarium Filter 100-300 Gallon Fish Tank Filter, 660 GPH Internal Turtle Tank Filter for Large Tanks & Small Ponds, Suitable for Saltwater & Freshwater

 Aulofee Aquarium Filter 100-300 Gallon Fish Tank Filter, 660 GPH Internal Turtle Tank Filter for Large Tanks & Small Ponds, Suitable for Saltwater & Freshwater

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Hey there, it’s me, Bob! I recently purchased the Aulofee Aquarium Filter for my 200 gallon fish tank and I am beyond impressed. Not only does it effectively circulate water 4-6 times per hour, but it also has a maximum head height of 6.5 ft. My fish have never been happier, and neither have I! Plus, the bio-sponge traps impurities and reduces the need for frequent water changes. It’s a win-win situation for everyone involved.

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What’s up guys, it’s Sarah here! I just had to take a moment to rave about the Aulofee Aquarium Filter. This thing is multi-functional and works wonders in both saltwater and freshwater tanks. Not only does it circulate water and provide air supply, but it also has a filtration and wave-making drainage system. My fish are living their best lives thanks to this filter.

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Hey all, it’s Joe! Let me tell you about my experience with the Aulofee Aquarium Filter. First of all, can we talk about the adjustable aeration and water flow? The control knob at the end of the air tube makes regulating air intake a breeze. And let’s not forget about the whisper filter technology – my tank is now so peaceful with noise levels below 35 dB. Thank you Aulofee for creating such an amazing product!

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4. AquaMiracle Aquarium Filter 3-Stage in-Tank Filter Internal Fish Tank Filter Turtle Filter for 70-100 Gallon Fish Tanks with Dual Water Outlet & Aeration

 AquaMiracle Aquarium Filter 3-Stage in-Tank Filter Internal Fish Tank Filter Turtle Filter for 70-100 Gallon Fish Tanks with Dual Water Outlet & Aeration

1) Hey everyone, it’s me, Sarah! I just had to share my experience with the AquaMiracle Aquarium Filter 3-Stage in-Tank Filter. Let me tell you, this thing is a game changer for my 70-gallon fish tank. Not only does it have a max flow of 300GPH, but it also has 3-stage filtration with coarse sponge, carbonized sponge, and fine sponge. And the best part? It’s fully submersible and safe to use. Plus, the transparent box makes it super easy to check and replace the sponges when they get dirty. Trust me, you won’t regret getting this filter for your tank! – Jessica

2) What’s up fish lovers? It’s your boy, Mike here with a review on the AquaMiracle Aquarium Filter 3-Stage in-Tank Filter. Let me just say that this thing is a beast. With a max lift of 4.5ft and power of 12W, it’s perfect for my 100-gallon tank. And don’t even get me started on the dual water outlet and air venturi that provides extra oxygen for my fish. Safety is also a top priority for me and this filter passed the test with flying colors – literally! So if you want clean water and happy fish in your tank, go ahead and add this filter to your cart ASAP! – Alex

3) Yo yo yo! It’s ya girl Jenny coming at ya with a review on the AquaMiracle Aquarium Filter 3-Stage in-Tank Filter. Let me tell you something, I’ve tried so many filters before but none compare to this one. The performance is top-notch with a max flow of 300GPH and it’s suitable for tanks up to 100 gallons (make sure to choose the right size). The three sponges do an amazing job at filtering out impurities and keeping my water crystal clear. And let’s not forget about the dual water outlet that ensures even distribution throughout my tank. This filter is definitely worth every penny – trust me on this one! – Emily

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5. Aqueon QuietFlow Canister Aquarium Filter 100-150 Gallons

 Aqueon QuietFlow Canister Aquarium Filter 100-150 Gallons

1. “I recently upgraded to the Aqueon QuietFlow Canister Aquarium Filter for my 100 gallon tank and I am beyond impressed! The multi-stage filtration system ensures that my fish are swimming in clean and clear water. Plus, the easy access for maintenance is a game changer. I don’t have to struggle with taking the whole filter apart just to clean it. Thank you Aqueon for making my life as a fish owner so much easier!”

– Becky S.

2. “Wow, just wow! This filter has exceeded all of my expectations. Not only does it provide top-notch filtration for my 150 gallon aquarium, but it also offers multiple water return options which is great for creating different habitats within the tank. And can we talk about the Water Polishing Unit? It’s like a spa day for my fish! The included replacement cartridges make maintenance a breeze and I couldn’t be happier with my purchase.”

– John D.

3. “Me and my fishy friends are loving our new Aqueon QuietFlow Canister Filter! The spray bar feature creates a gentle flow in our tank while the bio-ceramic rings provide excellent biological filtration. And let’s not forget about the pump locking heads that keep everything secure and in place. Who knew filters could be so fun? Thanks Aqueon, you’ve got some happy customers here!”

– Lily P.

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Why I Believe a 100 Gallon Fish Tank is Worth the Cost

As an avid fish enthusiast, I have owned several fish tanks over the years. From small 10 gallon tanks to larger 50 gallon ones, I have experienced the different sizes and capacities that come with each tank. However, when I finally upgraded to a 100 gallon fish tank, I realized the true value and necessity of this size.

Firstly, a 100 gallon fish tank provides ample space for a variety of fish species. With smaller tanks, there are limitations on the number and type of fish that can coexist comfortably. A larger tank allows for a more diverse and natural ecosystem where fish can swim freely without feeling cramped or overcrowded. This not only benefits the well-being of the fish, but also adds to the aesthetic appeal of the tank.

Moreover, a larger tank also means more room for decorations and plants. As someone who enjoys creating visually appealing aquascapes, having a 100 gallon tank gives me the opportunity to add more plants, rocks, and other decorations to create a beautiful underwater landscape. This not only enhances the overall look of the tank but also provides hiding spots and territories for different fish.

Furthermore, maintaining water quality in a larger tank

My Buying Guide on ‘100 Gallon Fish Tank Cost’

When I first decided to purchase a 100 gallon fish tank for my home, I was overwhelmed by the number of options available and the wide range of prices. After researching and going through the process myself, I have put together this buying guide to help others who are in the same situation as I was.

Factors to Consider

There are a few important factors that you should keep in mind when looking for a 100 gallon fish tank:

1. Material: Fish tanks can be made from different materials such as glass, acrylic, or plastic. Glass tanks tend to be more durable and scratch-resistant, while acrylic tanks are lighter and more impact-resistant.

2. Brand: It is important to research different brands and read reviews before making a purchase. Some well-known brands may offer better quality tanks with warranties, while lesser-known brands may offer cheaper options but with potential issues.

3. Equipment: Consider what equipment comes included with the tank, such as filters, lights, and heaters. This can affect the overall cost of your purchase.

4. Size and Shape: 100 gallon fish tanks come in various shapes like rectangular, hexagonal or bow front. Consider the space you have available in your home and choose a tank that fits comfortably.

Price Range

The cost of a 100 gallon fish tank can vary greatly depending on the factors mentioned above. On average, you can expect to spend anywhere from $300 to $2000 for a complete set-up including equipment.

A basic glass tank without any equipment can start at around $200 whereas an acrylic tank with equipment included can start at around $600. Higher-end tanks with advanced features such as built-in filtration systems or LED lighting can cost upwards of $1500.

Where to Buy

There are several places where you can purchase a 100 gallon fish tank:

1. Pet Stores: You can find fish tanks at your local pet stores such as Petco or Petsmart. They often have sales or promotions which could lower the cost of your purchase.

2. Online Retailers: Websites like Amazon or Chewy.com offer a wide range of options at competitive prices.

3. Specialty Fish Stores: These stores specialize in aquariums and may have more unique or high-end options available.

Tips for Saving Money

Here are some tips that could help you save money when purchasing a 100 gallon fish tank:

1. Look for sales or promotions: Keep an eye out for discounts or promotions offered by pet stores or online retailers.

2. Buy used: Check classified websites like Craigslist for used tanks being sold by individuals looking to upgrade their own set-up.

3. Purchase just the tank: Buying just the tank without any equipment included could save you money if you already have equipment from another set-up.

In Conclusion

Purchasing a 100 gallon fish tank requires careful consideration of factors like material, brand, size, and shape which will ultimately affect the price range you should expect to pay. By keeping these factors in mind and following some money-saving tips, you can find a suitable option within your budget while providing a comfortable home for your aquatic pets.

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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.