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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 $32,000.00
Time Remaining: 22d 19h 55m
Buy It Now for only: $32,000.00
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Entire Fish Room Setup
Entire Fish Room Setup $25,000.00
Time Remaining: 10d 11h 41m
Buy It Now for only: $25,000.00
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aquarium 500 gallon cylinder acrylic
aquarium 500 gallon cylinder acrylic $18,000.00
Time Remaining: 26d 18h 3m
Buy It Now for only: $18,000.00
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Complete 270 Gal Salt Water Aquarium Tank w/Wall Unit Pumps Lights
Complete 270 Gal Salt Water Aquarium Tank w/Wall Unit  Pumps Lights $12,500.00
Time Remaining: 19d 20h 3m
Buy It Now for only: $12,500.00
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Living Color Neptune Cylinder Aquarium Custom Stained Darker Brown (See Details)
Living Color Neptune Cylinder Aquarium Custom Stained Darker Brown (See Details) $12,000.00
Time Remaining: 15d 9h 5m
Buy It Now for only: $12,000.00
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Red Sea Max 650 Aquarium
Red Sea Max 650 Aquarium $6,000.00
Time Remaining: 18d 19h 52m
Buy It Now for only: $6,000.00
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Complete 90 Gal Fresh Water Aquarium Tank w/Stand Pump Lights CO2 Fltr
Complete 90 Gal Fresh Water Aquarium Tank w/Stand Pump Lights CO2 Fltr $5,900.00
Time Remaining: 11d 14h
Buy It Now for only: $5,900.00
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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: 10d 16h 34m
Buy It Now for only: $5,499.00
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330 Gallon Fish Aquarium
330 Gallon Fish Aquarium $5,000.00
Time Remaining: 5d 18h 42m
Buy It Now for only: $5,000.00
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280 gallon glass cylinder aquarium full set up
280 gallon glass cylinder aquarium full set up $4,900.00
Time Remaining: 4d 18h 47m

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250 Gallon Saltwater Reef Aquarium
250 Gallon Saltwater Reef Aquarium $4,500.00
Time Remaining: 21h 14m

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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: 18d 20h 5m
Buy It Now for only: $3,995.00
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400 gallon acrylic fish tank
400 gallon acrylic fish tank $3,500.00
Time Remaining: 1d 16h 10m
Buy It Now for only: $3,500.00
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180 Gallon Saltwater Reef Aquarium (Price Reduced!!!)
180 Gallon Saltwater Reef Aquarium (Price Reduced!!!) $3,500.00
Time Remaining: 2d 15h 48m
Buy It Now for only: $3,500.00
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215 Gallon Reef Ready Salt Water Aquarium
215 Gallon Reef Ready Salt Water Aquarium $3,500.00
Time Remaining: 16d 18h 30m
Buy It Now for only: $3,500.00
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Custom 720 Gal Salt Water Reef Aquarium Fish Tank w/ Corner Overflows
Custom 720 Gal Salt Water Reef Aquarium Fish Tank w/ Corner Overflows $3,250.00
Time Remaining: 26d 22h 10m
Buy It Now for only: $3,250.00
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Reef Aquarium
Reef Aquarium $3,001.00
Time Remaining: 4d 21h 19m

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Fish Tank
Fish Tank $3,000.00
Time Remaining: 3d 18h 1m
Buy It Now for only: $3,000.00
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180 Gallon Tall Reef Capable Fish Aquarium With 45 Gallon Sump
180 Gallon Tall Reef Capable Fish Aquarium With 45 Gallon Sump $3,000.00
Time Remaining: 10d 21h 55m
Buy It Now for only: $3,000.00
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Fish Tank
Fish Tank $2,500.00
Time Remaining: 17h 55m
Buy It Now for only: $3,250.00
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150 Gallon Acrylic Aquariun
150 Gallon Acrylic Aquariun $2,499.00
Time Remaining: 2d 23h 3m
Buy It Now for only: $2,499.00
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Red Sea MAX 250 Complete Plug & Play Coral Reef System
Red Sea MAX 250 Complete Plug & Play Coral Reef System $2,495.00
Time Remaining: 25d 15h 20m
Buy It Now for only: $2,495.00
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180 Gallon Reef Ready Saltwater Aquarium Complete Setup & More
180 Gallon Reef Ready Saltwater Aquarium Complete Setup & More $2,300.00
Time Remaining: 22d 12h 12m
Buy It Now for only: $2,300.00
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Fish tank
Fish tank $2,200.00
Time Remaining: 13d 11h 42m
Buy It Now for only: $2,200.00
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Salt water Fish Tank Aquarium Reef 57 Gallon with custom stand, sump and pump
Salt water Fish Tank Aquarium Reef 57 Gallon with custom stand, sump and pump $2,000.00
Time Remaining: 14d 15h 53m
Buy It Now for only: $2,000.00
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