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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



900 Gallon Salt Water Reef Aquarium - Complete System - Live Rock - Livestock
900 Gallon Salt Water Reef Aquarium - Complete System - Live Rock - Livestock $45,000.00
Time Remaining: 5d 19h 27m
Buy It Now for only: $45,000.00
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Commercial Fish Tanks
Commercial Fish Tanks $25,000.00
Time Remaining: 5d 19h 15m

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Salt Water Fish Room Setup
Salt Water Fish Room Setup $13,000.00
Time Remaining: 21d 18h 42m
Buy It Now for only: $13,000.00
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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: 6d 14h 31m
Buy It Now for only: $11,999.00
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25 TANK FISH UNIT WITH SINK, PUMPS, LIGHTS, HEATERS, CHILLER & MORE
25 TANK FISH UNIT WITH SINK, PUMPS, LIGHTS, HEATERS, CHILLER & MORE $10,000.00
Time Remaining: 23d 21h 22m
Buy It Now for only: $10,000.00
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300 Gallon Saltwater Marine Aquarium CUSTOM fiberglass reef 9ft long Back Bar
300 Gallon Saltwater Marine Aquarium CUSTOM fiberglass reef 9ft long Back Bar $9,500.00
Time Remaining: 15d 18h 4m
Buy It Now for only: $9,500.00
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aquarium very cool
aquarium very cool $7,000.00
Time Remaining: 6d 1h 36m
Buy It Now for only: $7,000.00
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Red Sea Max 650 Aquarium
Red Sea Max 650 Aquarium $6,000.00
Time Remaining: 2h 53m
Buy It Now for only: $6,000.00
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Regius Carve Dragon 25" Classical bronze Cloisonne Siamese twins fish tank crock
Regius Carve Dragon 25 $5,733.00
Time Remaining: 16d 14h 28m
Buy It Now for only: $5,733.00
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225 Gal. Custom built acrylic aquarium with all equipment and livestock
225 Gal. Custom built acrylic aquarium with all equipment and livestock $5,000.00
Time Remaining: 6d 19m

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200 Gallon Reef Ready Aquarium - COMPLETE
200 Gallon Reef Ready Aquarium - COMPLETE $5,000.00
Time Remaining: 6d 15h 11m

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Custom MONSTER acrylic aquarium Gently used, parallelogram, Rogers MN
Custom MONSTER acrylic aquarium Gently used, parallelogram, Rogers MN $5,000.00
Time Remaining: 6d 18h 45m
Buy It Now for only: $5,000.00
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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: 23d 1h 50m
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: 17h 19m
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: 4d 19h 45m
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: 23d 23h 31m
Buy It Now for only: $4,750.00
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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!!! $4,499.00
Time Remaining: 23d 23h 31m
Buy It Now for only: $4,499.00
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Red Sea Max 650 Aquarium Local pick up only
Red Sea Max 650 Aquarium Local pick up only $4,400.00
Time Remaining: 17d 9h
Buy It Now for only: $4,400.00
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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: 25d 6h 44m
Buy It Now for only: $4,250.00
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ANTIQUE BLUE & WHITE CANTON CHINA, EXPORT PORCELAIN-MAGNIF. FOOT BATH/FISH TANK
ANTIQUE BLUE & WHITE CANTON CHINA, EXPORT PORCELAIN-MAGNIF. FOOT BATH/FISH TANK $4,100.00
Time Remaining: 2d 30m

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Aquavim Seamless bow 180 Gallon Fish Tank
Aquavim Seamless bow 180 Gallon Fish Tank $4,000.00
Time Remaining: 17d 19h 43m
Buy It Now for only: $4,000.00
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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: 25d 6h 44m
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: 29d 20h 7m
Buy It Now for only: $3,999.00
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fish tank
fish tank $3,890.00
Time Remaining: 15d 19h 46m
Buy It Now for only: $3,890.00
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Two 180 Gallon Half Cylinder Marine Reef Aquarium Set Up
Two 180 Gallon Half Cylinder Marine Reef Aquarium Set Up $3,500.00
Time Remaining: 14d 7h 25m
Buy It Now for only: $3,500.00
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