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Used Fish Tanks for Sale

Used fish tanks can be a great way to get into fish owning on a budget. There is some important information you will want to get about the used tank before deciding to purchase.

Has the tank been repaired? If so, was the repair done by someone knowledgeable? Chips and cracks in a fish tank could lead to bigger problems, so be sure that these are either very minor or repaired before you take the tank home. At home, you can sand down any small imperfections.

The glue holding together a used fish tank can become worn and cause leaks. Old glue is generally not a big problem, and can be resealed. Just purchase some glue specially made for fish tanks, seal up any loose areas, and be sure to let the glue dry completely before adding water and fish. You don't want to spend the time and money on resealing and spring a leak because of a simple matter of not allowing the glue to dry!

Avoid used custom fish tanks. These have generally been made to fit a specific base, and will probably not fit a commercially available base. If you find a used tank that was custom made for a great price, ask for exact dimensions so you can compare it to your base.

Buying a used fish tank can be a budget-friendly way to start owning fish.

Fish Tanks for Sale



The Ultimate Nude Mermaid Fish Tank - Bronze Sculpture Artist - A. Matthews
The Ultimate Nude Mermaid Fish Tank - Bronze Sculpture Artist - A. Matthews $158,000.00
Time Remaining: 3d 17h 55m
Buy It Now for only: $158,000.00
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Salt Water Fish Room Setup
Salt Water Fish Room Setup $13,000.00
Time Remaining: 5d 10h
Buy It Now for only: $13,000.00
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700 Gallon Acrylic Salt Water Aquarium Complete with Custom Stand and Filtration
700 Gallon Acrylic Salt Water Aquarium Complete with Custom Stand and Filtration $12,000.00
Time Remaining: 3d 7h 23m
Buy It Now for only: $17,500.00
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Chia Royal Huge cloisonne 100% Pure Bronze gild Dragons Fish Tank crock
Chia Royal Huge cloisonne 100% Pure Bronze gild Dragons Fish Tank crock $11,999.00
Time Remaining: 18d 6h 51m
Buy It Now for only: $11,999.00
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2830 acrylic cylinder will include $10.000 filtration system with buy it now!!!
2830 acrylic cylinder will include $10.000 filtration system with buy it now!!! $11,500.00
Time Remaining: 15h 42m
Buy It Now for only: $11,500.00
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500 Gallon Saltwater Acrylic Aquarium
500 Gallon Saltwater Acrylic Aquarium $10,000.00
Time Remaining: 8d 23h 19m
Buy It Now for only: $13,500.00
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Assorted Aquariums Saltwater/freshwater
Assorted Aquariums Saltwater/freshwater $10,000.00
Time Remaining: 15d 9h 29m
Buy It Now for only: $10,000.00
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aquarium very cool
aquarium very cool $7,000.00
Time Remaining: 21d 16h 22m
Buy It Now for only: $7,000.00
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acrylic cylinder aquarium
acrylic cylinder aquarium $6,900.00
Time Remaining: 6d 11h 11m

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Salt Water Aquarium Custom Built Commercial Quality
Salt Water Aquarium Custom Built Commercial Quality $6,500.00
Time Remaining: 15d 13h 49m
Buy It Now for only: $6,500.00
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220 Gallon Advanced Automated Reef System
220 Gallon Advanced Automated Reef System $6,500.00
Time Remaining: 20d 17h 3m
Buy It Now for only: $6,500.00
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Regius Carve Dragon 25" Classical bronze Cloisonne Siamese twins fish tank crock
Regius Carve Dragon 25 $6,300.00
Time Remaining: 23d 17h 29m
Buy It Now for only: $6,300.00
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Red Sea Max 650 Aquarium
Red Sea Max 650 Aquarium $6,000.00
Time Remaining: 13d 18h 11m
Buy It Now for only: $6,000.00
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REDUCED! CUSTOM 336 Gal Salt Water Aquarium Tank w/Cabinet - Local P/U Only
REDUCED! CUSTOM 336 Gal Salt Water Aquarium Tank w/Cabinet - Local P/U Only $5,900.00
Time Remaining: 2d 15h 11m
Buy It Now for only: $5,900.00
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Retail Coral System / Growing System / Complete Aquarium Setup
Retail Coral System / Growing System / Complete Aquarium Setup $5,000.00
Time Remaining: 6d 17h 8m
Buy It Now for only: $5,000.00
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Red Sea Max S-650 Series - Ships directly from Red Sea! FREE Shipping!!!
Red Sea Max S-650 Series  - Ships directly from Red Sea!  FREE Shipping!!! $4,999.00
Time Remaining: 14d 8h 37m
Buy It Now for only: $4,999.00
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Fish Tank Aquarium Salt Water Acrylic cylinder, 200 gallons with filters, lights
Fish Tank Aquarium Salt Water Acrylic cylinder, 200 gallons with filters, lights $4,900.00
Time Remaining: 18d 11h 3m
Buy It Now for only: $4,900.00
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Red Sea Max S-500 Series - Ships directly from Red Sea! FREE Shipping!!!
Red Sea Max S-500 Series  - Ships directly from Red Sea!  FREE Shipping!!! $4,750.00
Time Remaining: 7d 14h 49m
Buy It Now for only: $4,750.00
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New DSA 135G Pro Glass Aquarium Salt Fresh Water Aquarium Tank w/Stand
New DSA 135G Pro Glass Aquarium Salt  Fresh Water Aquarium Tank w/Stand $4,600.00
Time Remaining: 11d 10h
Buy It Now for only: $4,600.00
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125 Gallon Aquarium (With Live Corals, Fishes and Many Accessories)
125 Gallon Aquarium (With Live Corals, Fishes and Many Accessories) $4,500.00
Time Remaining: 4d 20h 42m

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Red Sea Max S-500 Series - Ships directly from Red Sea! FREE Shipping!!!
Red Sea Max S-500 Series  - Ships directly from Red Sea!  FREE Shipping!!! $4,499.00
Time Remaining: 7d 14h 49m
Buy It Now for only: $4,499.00
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Red Sea Max S-400 Series - Ships directly from Red Sea! FREE Shipping!!!
Red Sea Max S-400 Series  - Ships directly from Red Sea!  FREE Shipping!!! $4,250.00
Time Remaining: 8d 22h 2m
Buy It Now for only: $4,250.00
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Red Sea Max S-400 Series - Ships directly from Red Sea! FREE Shipping!!!
Red Sea Max S-400 Series  - Ships directly from Red Sea!  FREE Shipping!!! $3,999.00
Time Remaining: 8d 22h 2m
Buy It Now for only: $3,999.00
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Red Sea Max S-400 Complete Reef System - Graphite Metallic
Red Sea Max S-400 Complete Reef System - Graphite Metallic $3,999.00
Time Remaining: 13d 11h 25m
Buy It Now for only: $3,999.00
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***Incredible Totally Custom 350g Reef Aquarium***
***Incredible Totally Custom 350g Reef Aquarium*** $3,750.00
Time Remaining: 8d 5h 14m

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