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50 gal fish aquarium

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

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

Uimoso gallon fish - fish, tank

$30.99
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Gallon aquarium stand - 40-50,

Gallon aquarium stand - 40-50,

$86.49
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Vevor 100 gallon aquarium - gallon,

Vevor 100 gallon aquarium - gallon,

$80.90
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Vevor gallon aquarium - vevor,

Vevor gallon aquarium - vevor,

$73.90
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Vevor gallon fish - vevor,

Vevor gallon fish - vevor,

$34.24
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Uimoso gal glass - uimoso, 2

Uimoso gal glass - uimoso, 2

$39.99
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hygger

hygger

$25.99
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Uimoso gallon smart - uimoso, fish

Uimoso gallon smart - uimoso, fish

$24.99
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Gallon fish aquarium - gallon,

Gallon fish aquarium - gallon,

$87.97
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Aquaneat aquarium air pump for - aquarium,

Aquaneat aquarium air pump for - aquarium,

$8.45
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Gallon fish tank stand - gallon,

Gallon fish tank stand - gallon,

$89.99
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Uimoso small fish tank gal - 2,

Uimoso small fish tank gal - 2,

$30.99
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Hygger aquarium heater - aquarium,

Hygger aquarium heater - aquarium,

$19.99
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Heavy duty metal - metal, 50

Heavy duty metal - metal, 50

$181.77
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Aquarium 50gal green - aquarium,

Aquarium 50gal green - aquarium,

$54.95
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Aqueon smartclean power filter - power,

Aqueon smartclean power filter - power,

$35.99
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Multi layer aquarium - multi-layer,

Multi layer aquarium - multi-layer,

$11.39
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Uimoso 2gal fish - uimoso, tank

Uimoso 2gal fish - uimoso, tank

$39.99
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Top fin gal - fin, 20

Top fin gal - fin, 20

$37.50
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Uimoso 5gal smart fish - uimoso, tank

Uimoso 5gal smart fish - uimoso, tank

$28.99
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Gal aquarium sponge - gal,

Gal aquarium sponge - gal,

$15.55
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Gallon aquarium stand - gallon,

Gallon aquarium stand - gallon,

$199.99
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Aquarium sponge filter with - filter,

Aquarium sponge filter with - filter,

$13.99
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Gallon fish tank stand - 40-50,

Gallon fish tank stand - 40-50,

$124.79
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Hygger aquarium silent wave - hygger,

Hygger aquarium silent wave - hygger,

$37.99
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Pro gallon fish - pro, filter

Pro gallon fish - pro, filter

$69.14
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Gallon fish tank stand - gallon,

Gallon fish tank stand - gallon,

$116.83
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Vevor gallon fish - gallon,

Vevor gallon fish - gallon,

$27.48
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hygger

hygger

$43.99
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Hang back aquarium filter - aquarium,

Hang back aquarium filter - aquarium,

$82.16
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Multi layer aquarium filter - multi-layer,

Multi layer aquarium filter - multi-layer,

$30.99
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Quiet gallon fish tank - fish,

Quiet gallon fish tank - fish,

$37.65
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Gallon coral reef aquarium - gallon,

Gallon coral reef aquarium - gallon,

$1249.19
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Hygger mini aquarium - mini,

Hygger mini aquarium - mini,

$19.99
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Aquaneat aquarium air pump - aquaneat,

Aquaneat aquarium air pump - aquaneat,

$8.90
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Gallon aquarium stand - 40-50,

Gallon aquarium stand - 40-50,

$120.63
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Hygger adjustable submersible - hygger,

Hygger adjustable submersible - hygger,

$24.99
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Fish tank lid magnetic - fish,

Fish tank lid magnetic - fish,

$31.80
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Gal fish tank stand with - fish,

Gal fish tank stand with - fish,

$229.78
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Chefoo 100w aquarium heater - chefoo,

Chefoo 100w aquarium heater - chefoo,

$25.99
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Aquaneat bio sponge filter - sponge,

Aquaneat bio sponge filter - sponge,

$11.99
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Aquarium air pump two - aquarium,

Aquarium air pump two - aquarium,

$42.99
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Gallon fish tank stand - 40-50,

Gallon fish tank stand - 40-50,

$124.79
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Fluval power filter size - power,

Fluval power filter size - power,

$48.00
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Fish tank divider - tank,

Fish tank divider - tank,

$68.26
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Aquarium air pump for gal - 10,

Aquarium air pump for gal - 10,

$11.99
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Aquarium air pump for - aquarium,

Aquarium air pump for - aquarium,

$8.75
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220 gallon coral reef aquarium - 220,

220 gallon coral reef aquarium - 220,

$4667.39
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Gallon fish tank - gallon,

Gallon fish tank - gallon,

$146.28
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Aquarium green killing - aquarium,

Aquarium green killing - aquarium,

$36.00
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20w submersible aquarium - 20w,

20w submersible aquarium - 20w,

$23.23
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Presale order 50 gallon - -,

Presale order 50 gallon - -,

$1249.19
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Gallon fish aquarium - 40-50,

Gallon fish aquarium - 40-50,

$87.97
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Aquarium protein nano - aquarium,

Aquarium protein nano - aquarium,

$59.49
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Aquarium protein skimmer 79gph - aquarium,

Aquarium protein skimmer 79gph - aquarium,

$47.95
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Interpet submersible aquarium - interpet,

Interpet submersible aquarium - interpet,

$13.99
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Hygger lite aquarium wave - hygger,

Hygger lite aquarium wave - hygger,

$51.99
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Quiet hang back aquarium - hang,

Quiet hang back aquarium - hang,

$37.99
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Eheim jager trutemp - jager,

Eheim jager trutemp - jager,

$24.95
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2pcs aquarium gallon - gallon, fish

2pcs aquarium gallon - gallon, fish

$27.99
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Gallon fish tank - 40-50, stand

Gallon fish tank - 40-50, stand

$87.97
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Submersible aquarium - submersible,

Submersible aquarium - submersible,

$17.50
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Gallon rimless - gallon,

Gallon rimless - gallon,

$94.08
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Quiet hang back aquarium - quiet,

Quiet hang back aquarium - quiet,

$39.97
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Gallon fish tank - 40-50,

Gallon fish tank - 40-50,

$102.82
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Gallon coral reef aquarium - 50,

Gallon coral reef aquarium - 50,

$1249.19
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Fish tank water - fish,

Fish tank water - fish,

$60.60
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20w submersible aquarium - 20w,

20w submersible aquarium - 20w,

$22.85
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Gallon tank aquarium - tank,

Gallon tank aquarium - tank,

$1341.89
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Quiet hang back - hang,

Quiet hang back - hang,

$40.05
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Gallon aquarium stand - 40-50,

Gallon aquarium stand - 40-50,

$215.99
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Hygger lite wave - hygger,

Hygger lite wave - hygger,

$37.99
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Aquarium heater 300w - aquarium,

Aquarium heater 300w - aquarium,

$13.89
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Aquarium green killing - aquarium,

Aquarium green killing - aquarium,

$40.00
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Heavy duty gal aquarium - heavy,

Heavy duty gal aquarium - heavy,

$169.95
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Hygger 50w small - hygger,

Hygger 50w small - hygger,

$22.99
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Gallon aquarium stand - 40-50,

Gallon aquarium stand - 40-50,

$102.82
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Aquarium bio sponge filter - bio,

Aquarium bio sponge filter - bio,

$17.30
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Uimoso gallon smart aquarium - 2,

Uimoso gallon smart aquarium - 2,

$25.99
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Aqqa gallon fish - aqqa, 35-40

Aqqa gallon fish - aqqa, 35-40

$136.49
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50w glass submersible aquarium - 50w,

50w glass submersible aquarium - 50w,

$8.41
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Gallon hot bent - 10, hot-bent

Gallon hot bent - 10, hot-bent

$155.05
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Aquarium internal filter for - aquarium,

Aquarium internal filter for - aquarium,

$31.99
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Hygger 25w 50w - hygger, 25w/50w/75w

Hygger 25w 50w - hygger, 25w/50w/75w

$24.29
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Hygger 300 500 800 1000w - hygger, 300/500/800/1000w

Hygger 300 500 800 1000w - hygger, 300/500/800/1000w

$25.99
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Quiet hang back aquarium - hang, on

Quiet hang back aquarium - hang, on

$39.48
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Fish aquarium nano - fish, 10

Fish aquarium nano - fish, 10

$19.84
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Hygger digital aquarium - hygger,

Hygger digital aquarium - hygger,

$19.99
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Vevor gallon fish - gallon, tank

Vevor gallon fish - gallon, tank

$52.90
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Aquaneat aquarium air pump for - aquarium,

Aquaneat aquarium air pump for - aquarium,

$8.92
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Hygger mini slim - hygger,

Hygger mini slim - hygger,

$53.99
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Aquaneat aquarium bio sponge - aquaneat,

Aquaneat aquarium bio sponge - aquaneat,

$23.99
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Uimoso gallon glass - glass, aquarium

Uimoso gallon glass - glass, aquarium

$39.99
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Gallon fish tank stand - fish,

Gallon fish tank stand - fish,

$124.79
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Numenn gallon aquarium - numenn, 40-50

Numenn gallon aquarium - numenn, 40-50

$208.98
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Heavy duty metal gallon - heavy,

Heavy duty metal gallon - heavy,

$169.98
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📊96 listings · from $8.41 · avg $158.1

Browse 96 50 gal fish aquarium listings currently in our index. Prices range from $8.41 to $4667.39, with an average of $158.1. 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 $4667.39 — giving you a wide budget spread to work with. The average price of $158.1 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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