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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



Acrylic Panels Shark Fish Tank Commercial Aquarium 6-8 Inches Thick 10 Panels
Acrylic Panels Shark Fish Tank Commercial Aquarium 6-8 Inches Thick 10 Panels $359,999.99
Time Remaining: 14d 6h 59m
Buy It Now for only: $359,999.99
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Jewel Aquarium Very Rare Custom Solid Cast Brass w/Marble Antique. Incredible !
Jewel Aquarium Very Rare Custom Solid Cast Brass w/Marble Antique. Incredible ! $15,000.00
Time Remaining: 9d 7h 51m
Buy It Now for only: $15,000.00
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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: 11d 10h 5m
Buy It Now for only: $10,000.00
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aquarium very cool
aquarium very cool $7,000.00
Time Remaining: 1d 8h 57m
Buy It Now for only: $7,000.00
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Pentair Aquatic Eco-System Fish Farm 2 with tilapia fingerlings, tank heaters
Pentair Aquatic Eco-System Fish Farm 2 with tilapia fingerlings, tank heaters $6,000.00
Time Remaining: 8d 5h 1m
Buy It Now for only: $6,000.00
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Red Sea Max 650 Aquarium
Red Sea Max 650 Aquarium $6,000.00
Time Remaining: 25d 10h 15m
Buy It Now for only: $6,000.00
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650 Gallon Octagon Acrylic Fishtank Stand And Canopy. Each Glass Pan Is 38 In Hi
650 Gallon Octagon Acrylic Fishtank Stand And Canopy. Each Glass Pan Is 38 In Hi $5,500.00
Time Remaining: 15d 7h 43m
Buy It Now for only: $5,500.00
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ELOS 160XL 201 Gallon Complete Aquarium System Italian Reef Tank
ELOS 160XL 201 Gallon Complete Aquarium System Italian Reef Tank $5,500.00
Time Remaining: 21d 3h 57m
Buy It Now for only: $5,500.00
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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: 18d 9h 11m
Buy It Now for only: $5,000.00
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Salt Water Marine Aquarium 220 Gallon with Live Rock, Live Sand and Fish, Nice
Salt Water Marine Aquarium 220 Gallon with  Live Rock, Live Sand and Fish, Nice $4,950.00
Time Remaining: 13d 21h 14m
Buy It Now for only: $4,950.00
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FISKE ANTIQUE AQUARIUM DATED 1876 RARE 139 years old-CAST IRON - FOR COLLECTORS
FISKE ANTIQUE AQUARIUM DATED 1876 RARE 139 years old-CAST IRON - FOR COLLECTORS $3,500.00
Time Remaining: 3d 8h 26m
Buy It Now for only: $3,500.00
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Fish aquarium
Fish aquarium $3,000.00
Time Remaining: 15d 1h 59m
Buy It Now for only: $3,000.00
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Selling Bedroom furniture, Living Room, 50 inch TV's, and Fish Tank etc...
Selling Bedroom furniture, Living Room, 50 inch TV's, and Fish Tank etc... $3,000.00
Time Remaining: 15d 3h 53m
Buy It Now for only: $3,000.00
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Custom Acrylic Aquarium 144" x 24" x 36" 538 US GL
Custom Acrylic Aquarium 144 $3,000.00
Time Remaining: 18d 6h 18m
Buy It Now for only: $3,000.00
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150 Gallon Salt Water Reef Aquarium - Complete System - Live Rock - Livestock
150 Gallon Salt Water Reef Aquarium - Complete System - Live Rock - Livestock $3,000.00
Time Remaining: 20d 13h 16m
Buy It Now for only: $3,000.00
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SALTWATER FISH TANK
SALTWATER FISH TANK $2,800.00
Time Remaining: 12h 59m
Buy It Now for only: $2,800.00
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Salt water fish tank custom 185 Gallon
Salt water fish tank custom 185 Gallon $2,800.00
Time Remaining: 2d 22h 37m

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150 Gallon Aquarium Acrylic
150 Gallon Aquarium Acrylic $2,599.00
Time Remaining: 9d 13h 25m
Buy It Now for only: $2,599.00
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AQUARIUMS, Planted tank Display, REPTILE DISPLAY Stand, Chiller
AQUARIUMS, Planted tank Display, REPTILE DISPLAY Stand, Chiller $2,500.00
Time Remaining: 4d 7h 43m
Buy It Now for only: $2,500.00
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PRIMITIVE Terrarium AQUARIUM antique ADIRONDACK form and style SHIPPERS listed
PRIMITIVE Terrarium AQUARIUM antique ADIRONDACK form and style SHIPPERS listed  $2,200.00
Time Remaining: 13d 5h 45m
Buy It Now for only: $2,200.00
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Antique aquarium Jewel Seahorse Leg
Antique aquarium Jewel Seahorse Leg $2,000.00
Time Remaining: 28d 2h 33m
Buy It Now for only: $2,000.00
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65 Gallon Saltwater Aquarium
65 Gallon Saltwater Aquarium $2,000.00
Time Remaining: 29d 13h 54m
Buy It Now for only: $2,000.00
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290 Gallon Aquariun with Steel Tube Stand
290 Gallon Aquariun with Steel Tube Stand $1,750.00
Time Remaining: 29d 4h 7m
Buy It Now for only: $1,750.00
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Oceanic 76 Gallon Semi Circle Reef-Ready Saltwater Aquarium Complete Setup
Oceanic 76 Gallon Semi Circle Reef-Ready Saltwater Aquarium Complete Setup $1,700.00
Time Remaining: 24d 1h 46m
Buy It Now for only: $1,700.00
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Red Sea MAX 250 Complete Plug & Play Coral Reef Aquarium System
Red Sea MAX 250 Complete Plug & Play Coral Reef Aquarium System $1,600.00
Time Remaining: 5d 2h 41m

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