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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: 6d 11h 49m
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: 24d 3h 36m
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: 27d 6h 54m
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: 10d 9h 57m
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: 2d 11h 47m
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: 24d 8h 29m
Buy It Now for only: $5,499.00
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1000 Gallon Aquarium with Refugium
1000 Gallon Aquarium with Refugium $5,000.00
Time Remaining: 3d 11h 24m

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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: 10d 10h 44m
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: 25d 10h 43m
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: 17d 2h 15m
Buy It Now for only: $4,900.00
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fish tank
fish tank $4,200.00
Time Remaining: 2d 12h 56m

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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: 2d 11h 59m
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: 6d 14h 35m
Buy It Now for only: $5,000.00
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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: 7d 2h 29m
Buy It Now for only: $3,500.00
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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: 23d 7h 44m
Buy It Now for only: $3,000.00
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Aquarium - 150, 90, 65, 2 - 55 and 40 gal
Aquarium - 150, 90, 65, 2 - 55 and 40 gal $2,850.00
Time Remaining: 2d 12h 43m
Buy It Now for only: $2,850.00
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75 gallon establish reef aquarium
75 gallon establish reef aquarium $2,500.00
Time Remaining: 4d 39m
Buy It Now for only: $2,500.00
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150 Gallon Aquarium Reef Tank Complete
150 Gallon Aquarium Reef Tank Complete $2,500.00
Time Remaining: 6d 13h 2m
Buy It Now for only: $3,300.00
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Custom 225 gallon Fish Tank With Stand & Wet Dry Filter System
Custom 225 gallon Fish Tank With Stand & Wet Dry Filter System $2,500.00
Time Remaining: 29d 5h 4m
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: 8d 12h 20m
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: 12d 9h 54m
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: 18d 11h 13m
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: 3d 4h 16m
Buy It Now for only: $2,000.00
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65 gallon salt water aquarium
65 gallon salt water aquarium $2,000.00
Time Remaining: 5d 5h 53m
Buy It Now for only: $2,600.00
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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: 5d 10h 12m
Buy It Now for only: $2,600.00
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