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Used Fish Tanks

Fish tanks are such a wonderful investment. Fill them with water, carefully add your favorite fish and get ready to relax as you watch them. They can also be used as terrariums for lizards, frogs, turtles, and any other number of amphibians or reptiles. Fish tanks can be expensive, but buying used fish tank is an excellent way to save some money.

The great part of used fish tanks is that you can find them for amazing prices. The money you save on the tank can then be put to more interesting things, like accessories and critters. When buying used tanks, you can also sometimes find tanks that are more interesting visually. Some models are discontinued after a few years, even though they are really fascinating. Choosing used tanks can allow you to still obtain that awesome style that you really love.

The downside of buying used tanks is that they are not always watertight anymore. Unfortunately, when you are looking at an empty tank, it can be difficult to tell if it is still watertight. However, this is simple to overcome. Before putting the tank in your home and dumping in gallons and gallons of water, fill it outside. Fill the tank all the way up while it's on your deck, or in a garage with a floor drain. Allow it to sit for 24 hours before confirming that it is watertight. You can also add some silicone sealer to all corners if you want to be absolutely sure.

Of course, if you're looking for a terrarium, then a used fish tank is absolutely the way to go because it does not need to be watertight. Saving money on the used tank can leave you more funds for picking up a cool iguana.

Used Fish Tanks For Sale


2830 acrylic cylinder one piece cast aquarium made by atm
2830 acrylic cylinder one piece cast aquarium made by atm $39,000.00
Time Remaining: 29d 13h 7m
Buy It Now for only: $39,000.00
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400 Gallon Reef&Fish Aquarium & 240 gal Acrylic Sump & 75 gal Run Pro ski & More
400 Gallon Reef&Fish Aquarium & 240 gal Acrylic Sump & 75 gal Run Pro ski & More $38,000.00
Time Remaining: 8d 18h 3m
Buy It Now for only: $38,000.00
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Entire Fish Room Setup
Entire Fish Room Setup $20,000.00
Time Remaining: 26d 9h 49m
Buy It Now for only: $20,000.00
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aquarium 500 gallon cylinder acrylic
aquarium 500 gallon cylinder acrylic $18,000.00
Time Remaining: 12d 16h 11m
Buy It Now for only: $18,000.00
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Casco C-5000 Aquarium System - 60 Tanks - Retail Fish Pet Store Aquatic
Casco C-5000 Aquarium System - 60 Tanks - Retail Fish Pet Store Aquatic $9,000.00
Time Remaining: 2d 19h 8m
Buy It Now for only: $40,000.00
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Red Sea Max 650 Aquarium
Red Sea Max 650 Aquarium $6,000.00
Time Remaining: 4d 18h
Buy It Now for only: $6,000.00
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Fish Tank, Alien Movie Prop,Acrylic Cylinder/Tube, Music Video
Fish Tank,   Alien Movie  Prop,Acrylic Cylinder/Tube, Music Video $5,499.00
Time Remaining: 26d 14h 42m
Buy It Now for only: $5,499.00
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Saltwater Aquarium Reef Savvy Rimless Tank
Saltwater Aquarium Reef Savvy Rimless Tank $5,000.00
Time Remaining: 4d 12h 20m

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144 Half Cylinder Oceanic Reef Ready Saltwater Fish Tank with Fish and Live Rock
144 Half Cylinder Oceanic Reef Ready Saltwater Fish Tank with Fish and Live Rock $5,000.00
Time Remaining: 12d 12h 58m
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: 27d 16h 57m
Buy It Now for only: $5,000.00
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Red Sea Max 650 Aquarium LOCAL PICK UP ONLY!! NO CONTENTS!! MINT CONDITION!!
Red Sea Max 650 Aquarium LOCAL PICK UP ONLY!! NO CONTENTS!!  MINT CONDITION!! $4,900.00
Time Remaining: 19d 8h 28m
Buy It Now for only: $4,900.00
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fish aquarium
fish aquarium $4,250.00
Time Remaining: 3d 13h 57m
Buy It Now for only: $4,250.00
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Red Sea Max S-650 Aquarium Complete Reef System 150 Gallon fish tank 120 180
Red Sea Max S-650 Aquarium Complete Reef System 150 Gallon fish tank 120 180 $3,995.00
Time Remaining: 4d 18h 12m
Buy It Now for only: $3,995.00
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240 Gallon fish tank
240 Gallon fish tank $3,700.00
Time Remaining: 8d 20h 45m
Buy It Now for only: $5,000.00
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Marineland Mars Aquarium System
Marineland Mars Aquarium System $3,500.00
Time Remaining: 2d 13h 11m
Buy It Now for only: $3,500.00
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180 gallon aquarium / reef tank fully stocked - custom cabinet, LED lights, MORE
180 gallon aquarium / reef tank fully stocked - custom cabinet, LED lights, MORE $3,500.00
Time Remaining: 3d 13h 29m

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220 Gal Custom Glass Aquarium, Stand and Matching Canopy (Lighting included!!)
220 Gal Custom Glass Aquarium, Stand and Matching Canopy (Lighting included!!) $3,000.00
Time Remaining: 1d 18h 37m
Buy It Now for only: $4,300.00
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500 Gallon Custom Acrylic Aquarium Tank And Steel Beam Stand
500 Gallon Custom Acrylic Aquarium Tank And Steel Beam Stand $3,000.00
Time Remaining: 4d 8h 47m
Buy It Now for only: $4,000.00
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240 Gallon Fresh or Salt Rectangle Complete Aquarium Setup
240 Gallon Fresh or Salt Rectangle Complete Aquarium Setup $3,000.00
Time Remaining: 5d 16h 4m
Buy It Now for only: $3,000.00
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265 Gallon Saltwater Fish tank
265 Gallon Saltwater Fish tank $2,800.00
Time Remaining: 5d 4h 55m
Buy It Now for only: $3,700.00
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Marineland Fish Aquarium Retail All In One Retail Center MARS Fresh
Marineland Fish Aquarium Retail All In One Retail Center MARS Fresh $2,499.99
Time Remaining: 10d 18h 34m
Buy It Now for only: $2,499.99
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Oceanic 220 Gal Reef Ready Marine Tank & Stand Plus Extras...
Oceanic 220 Gal Reef Ready Marine Tank & Stand Plus Extras... $2,300.00
Time Remaining: 1d 8m
Buy It Now for only: $2,300.00
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140 Gallon Bow Front Acrylic Tank, Sump, Stand and Canopy
140 Gallon Bow Front  Acrylic Tank, Sump, Stand and Canopy $2,000.00
Time Remaining: 3d 5h 12m
Buy It Now for only: $3,000.00
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220 Gallon Fish Tank with Aquarium Stand and additional prodcuts
220 Gallon Fish Tank with Aquarium Stand and additional prodcuts $2,000.00
Time Remaining: 6d 10h 13m
Buy It Now for only: $2,600.00
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Fish tank
Fish tank $2,000.00
Time Remaining: 29d 9h 50m
Buy It Now for only: $2,000.00
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