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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



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: 11d 6h 13m
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: 28d 21h 59m
Buy It Now for only: $20,000.00
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2830 acrylic cylinder one piece cast aquarium made by atm
2830 acrylic cylinder one piece cast aquarium made by atm $17,500.00
Time Remaining: 2d 1h 17m
Buy It Now for only: $17,500.00
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aquarium 500 gallon cylinder acrylic
aquarium 500 gallon cylinder acrylic $10,500.00
Time Remaining: 15d 4h 21m
Buy It Now for only: $10,500.00
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Red Sea Max 650 Aquarium
Red Sea Max 650 Aquarium $6,000.00
Time Remaining: 7d 6h 10m
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: 29d 2h 52m
Buy It Now for only: $5,499.00
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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: 5h 7m
Buy It Now for only: $5,000.00
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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: 15d 5h 8m
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: 21d 20h 38m
Buy It Now for only: $4,900.00
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fish tank
fish tank $4,200.00
Time Remaining: 7h 18m

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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: 7d 6h 22m
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: 1d 8h 58m
Buy It Now for only: $5,000.00
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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: 5d 2h 26m

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389 Gallon Euro-Brace Island Aquarium, 60X60X25 Square
389 Gallon Euro-Brace Island Aquarium, 60X60X25 Square $3,500.00
Time Remaining: 11d 20h 52m
Buy It Now for only: $3,500.00
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Aquarium - 150, 90, 65, 2 - 55 and 40 gal
Aquarium - 150, 90, 65, 2 - 55 and 40 gal $3,150.00
Time Remaining: 2d 7h 6m
Buy It Now for only: $3,150.00
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265 Gallon Saltwater Fish tank, Custom Cabinet, Rectangle (Standard)
265 Gallon Saltwater Fish tank, Custom Cabinet, Rectangle (Standard) $3,000.00
Time Remaining: 2d 19h 51m
Buy It Now for only: $3,900.00
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450 gal Custom Rectangle (Standard) Fish Tank, Stand, Canopy
450 gal Custom Rectangle (Standard) Fish Tank, Stand, Canopy $3,000.00
Time Remaining: 28d 2h 7m
Buy It Now for only: $3,000.00
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75 gallon establish reef aquarium
75 gallon establish reef aquarium $2,500.00
Time Remaining: 8d 19h 2m
Buy It Now for only: $2,500.00
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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: 13d 6h 44m
Buy It Now for only: $2,499.99
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Aquarium 240 gallon rectangle show tank--absolutely beautiful
Aquarium 240 gallon rectangle show tank--absolutely beautiful $2,300.00
Time Remaining: 17d 4h 18m
Buy It Now for only: $2,300.00
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300 Gallon Aquarium Thick Glass Rectangle Shape Set Up Storage Base and Custom
300 Gallon Aquarium Thick Glass Rectangle Shape Set Up Storage Base and Custom $2,199.00
Time Remaining: 23d 5h 37m
Buy It Now for only: $2,199.00
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60 Gallon cube, topless reef aquarium full set up Modern Pick Up Only
60 Gallon cube, topless reef aquarium full set up  Modern Pick Up Only $2,000.00
Time Remaining: 22h 39m
Buy It Now for only: $2,000.00
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Fish tank
Fish tank $2,000.00
Time Remaining: 1d 22h
Buy It Now for only: $2,000.00
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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: 2d 3h 5m
Buy It Now for only: $2,600.00
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Oceanic 220 Gal Reef Ready Marine Tank & Stand Plus Extras...
Oceanic 220 Gal Reef Ready Marine Tank & Stand Plus Extras... $2,000.00
Time Remaining: 3d 12h 18m
Buy It Now for only: $2,000.00
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