For Sale USA

50 gal fish aquarium

4

50 gal fish aquarium for sale on largest auction and classifieds sites

Home / / 50 gal fish aquarium refurbished & used for sale | For Sale USA
For gallon fish - for, 40-50

For gallon fish - for, 40-50

$120.99
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hygger

hygger

$49.99
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Gallon fish tank - 3,

Gallon fish tank - 3,

$59.99
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Gallon aquarium stand - gallon,

Gallon aquarium stand - gallon,

$212.99
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Hygger aquarium heater - hygger,

Hygger aquarium heater - hygger,

$19.99
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hygger

hygger

$49.99
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Multi layer aquarium - multi-layer,

Multi layer aquarium - multi-layer,

$23.74
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Uimoso gallon smart - smart, fish

Uimoso gallon smart - smart, fish

$28.99
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Gallon fish tank stand 2 - fish,

Gallon fish tank stand 2 - fish,

$118.10
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Submersible aquarium - submersible,

Submersible aquarium - submersible,

$17.50
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Sturdy gallon aquarium - 40-50,

Sturdy gallon aquarium - 40-50,

$119.75
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Uimoso gallon fish - 3.5, tank

Uimoso gallon fish - 3.5, tank

$40.99
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Vevor gallon fish tank - vevor, 3.5

Vevor gallon fish tank - vevor, 3.5

$48.90
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Heavy duty gal aquarium - heavy,

Heavy duty gal aquarium - heavy,

$181.61
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Fish aquarium nano 20 - fish, 5

Fish aquarium nano 20 - fish, 5

$17.84
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Gallon all one - gallon, all-in-one

Gallon all one - gallon, all-in-one

$1111.18
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Uimoso small fish tank gal - 2,

Uimoso small fish tank gal - 2,

$30.99
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Vevor gallon fish - fish, tank

Vevor gallon fish - fish, tank

$27.48
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Vevor gallon aquarium - 75,

Vevor gallon aquarium - 75,

$73.90
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Uimoso gal glass - gal, aquarium

Uimoso gal glass - gal, aquarium

$46.99
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Multi layer aquarium - multi-layer,

Multi layer aquarium - multi-layer,

$10.99
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Uimoso 2gal fish tank - 2gal,

Uimoso 2gal fish tank - 2gal,

$43.99
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Uimoso gallon smart aquarium - 2,

Uimoso gallon smart aquarium - 2,

$25.99
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Glass aquarium kit gal cube - 6,

Glass aquarium kit gal cube - 6,

$105.97
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Hygger adjustable submersible - hygger,

Hygger adjustable submersible - hygger,

$24.99
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Gallon aquarium stand with - 40,

Gallon aquarium stand with - 40,

$166.18
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Aquarium protein nano skimmer - nano,

Aquarium protein nano skimmer - nano,

$56.94
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Quiet hang back - hang, on

Quiet hang back - hang, on

$35.61
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Tetra gallon led - tetra, 10

Tetra gallon led - tetra, 10

$78.95
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Colorfusion aquarium gallon - colorfusion, 20

Colorfusion aquarium gallon - colorfusion, 20

$220.90
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Gallon smart fish - 5, app

Gallon smart fish - 5, app

$84.99
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Gallon aquarium lid with - 55,

Gallon aquarium lid with - 55,

$126.99
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Aquaneat aquarium air pump - pump, for

Aquaneat aquarium air pump - pump, for

$8.70
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Hygger aquarium silent - hygger, wave

Hygger aquarium silent - hygger, wave

$37.99
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Aquaneat aquarium air pump - aquaneat,

Aquaneat aquarium air pump - aquaneat,

$8.80
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2pcs aquarium gallon fish - ,30,

2pcs aquarium gallon fish - ,30,

$26.99
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Hob aquarium filter - filter, 30-50

Hob aquarium filter - filter, 30-50

$35.78
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Fish tank water filter pump - tank,

Fish tank water filter pump - tank,

$63.79
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Gallon fish tank stand - fish,

Gallon fish tank stand - fish,

$121.59
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Gallon led glass aquarium - glass,

Gallon led glass aquarium - glass,

$56.95
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Hang back aquarium filter - hang,

Hang back aquarium filter - hang,

$62.83
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Innovative marine helio - innovative,

Innovative marine helio - innovative,

$209.00
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Fish tank lid - tank,

Fish tank lid - tank,

$31.80
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Fish tank stand gallon - tank,

Fish tank stand gallon - tank,

$87.63
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Gallon aquarium stand - aquarium, with

Gallon aquarium stand - aquarium, with

$162.04
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Gal aquarium sponge - gal,

Gal aquarium sponge - gal,

$15.48
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Aqqa gallon fish - aqqa, m

Aqqa gallon fish - aqqa, m

$133.83
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Gallon fish tank stand - gallon,

Gallon fish tank stand - gallon,

$106.92
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Hygger 10w 25w - 50w, 100w

Hygger 10w 25w - 50w, 100w

$21.99
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50watt aquarium heater for - 50watt,

50watt aquarium heater for - 50watt,

$11.79
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Aqueon pro quietflow - ,

Aqueon pro quietflow - ,

$35.00
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Hygger lite wave - lite,

Hygger lite wave - lite,

$39.99
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Aquarium air pump - pump, gal

Aquarium air pump - pump, gal

$11.99
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Uimoso 5gal smart - uimoso,

Uimoso 5gal smart - uimoso,

$41.99
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Gallon coral reef aquarium - gallon,

Gallon coral reef aquarium - gallon,

$1249.19
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Aquarium sponge filter - sponge,

Aquarium sponge filter - sponge,

$13.99
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Gallon aquarium stand - 40-50,

Gallon aquarium stand - 40-50,

$120.63
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For gallon fish - for,

For gallon fish - for,

$120.99
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Hygger 50w small - 10/25/50w,

Hygger 50w small - 10/25/50w,

$22.99
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Hygger 50 100w - hygger, 10/25/50/100w

Hygger 50 100w - hygger, 10/25/50/100w

$19.19
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Top fin 50w submersible - top,

Top fin 50w submersible - top,

$12.99
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Free shipping fluval 407 - free,

Free shipping fluval 407 - free,

$230.00
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Eheim jager trutemp - jager,

Eheim jager trutemp - jager,

$24.95
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Gallon aquarium starter - aquarium,

Gallon aquarium starter - aquarium,

$162.74
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Aquaneat bio sponge filter - aquaneat, fry

Aquaneat bio sponge filter - aquaneat, fry

$11.99
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Gallon fish tank - 40-50,

Gallon fish tank - 40-50,

$146.28
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420gph aquarium filter - 420gph,

420gph aquarium filter - 420gph,

$58.37
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Aquaneat aquarium air pump - aquaneat, for

Aquaneat aquarium air pump - aquaneat, for

$9.58
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Gallon fish tank stand - 40-50,

Gallon fish tank stand - 40-50,

$124.79
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Aquarium filter with - filter,

Aquarium filter with - filter,

$30.96
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Aquarium chiller 300l - aquarium,

Aquarium chiller 300l - aquarium,

$224.99
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Heavy duty gal - duty,

Heavy duty gal - duty,

$169.95
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Aquarium plant holder - plant,

Aquarium plant holder - plant,

$15.27
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Pro gallon fish - fish, tank

Pro gallon fish - fish, tank

$69.14
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Hygger mini aquarium heater - hygger,

Hygger mini aquarium heater - hygger,

$19.99
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Gallon aquarium stand - aquarium,

Gallon aquarium stand - aquarium,

$215.99
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Marineland penguin pro 275 - marineland,

Marineland penguin pro 275 - marineland,

$45.00
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Quiet hang back aquarium - hang, on

Quiet hang back aquarium - hang, on

$36.13
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Hang back aquarium filter - hang, on

Hang back aquarium filter - hang, on

$63.58
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Multi stage hang back - multi-stage, hang-on-back

Multi stage hang back - multi-stage, hang-on-back

$30.05
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Gallon aquarium stand - aquarium,

Gallon aquarium stand - aquarium,

$102.82
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Hygger mini aquarium heater - aquarium,

Hygger mini aquarium heater - aquarium,

$19.99
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Gallon hot bent - gallon, black-back

Gallon hot bent - gallon, black-back

$139.54
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Aquarium air pump two - pump, w/

Aquarium air pump two - pump, w/

$28.85
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Ocean free hydra 50 - ocean,

Ocean free hydra 50 - ocean,

$99.95
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Uimoso gallon smart - 3.5,

Uimoso gallon smart - 3.5,

$41.99
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hygger

hygger

$39.99
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Submersible aquarium heater - submersible,

Submersible aquarium heater - submersible,

$14.99
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50w glass submersible - 50w,

50w glass submersible - 50w,

$8.41
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Large hang back aquarium - large,

Large hang back aquarium - large,

$161.49
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Hygger aquarium heater - aquarium,

Hygger aquarium heater - aquarium,

$16.99
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Aquarium heater 300w - heater, 25-300w

Aquarium heater 300w - heater, 25-300w

$13.89
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hygger

hygger

$49.99
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200watt aquarium heater for - aquarium,

200watt aquarium heater for - aquarium,

$15.29
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Tetra gallon complete - tetra,

Tetra gallon complete - tetra,

$202.98
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Gallon glass aquarium - 80,

Gallon glass aquarium - 80,

$169.69
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📊96 listings · from $8.41 · avg $94.73

Browse 96 50 gal fish aquarium listings currently in our index. Prices range from $8.41 to $1249.19, with an average of $94.73. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 50 gal fish aquarium →

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Everything you need to know about 50 gal fish aquarium

Whether you are looking for a brand-new or second-hand 50 gal fish aquarium, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $8.41, while premium listings can reach $1249.19 — giving you a wide budget spread to work with. The average price of $94.73 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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