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
Uimoso small fish tank - uimoso,

Uimoso small fish tank - uimoso,

$24.99
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hygger

hygger

$45.99
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Submersible aquarium - submersible,

Submersible aquarium - submersible,

$17.50
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Open box vevor - open,

Open box vevor - open,

$350.00
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Fluval power filter for - ac,

Fluval power filter for - ac,

$47.00
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Penn plax cascade submersible - penn,

Penn plax cascade submersible - penn,

$24.00
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Gallon fish tank - gallon, stand

Gallon fish tank - gallon, stand

$102.82
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Aquaneat aquarium air pump for - aquaneat,

Aquaneat aquarium air pump for - aquaneat,

$8.67
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Multi layer aquarium - multi-layer, filter

Multi layer aquarium - multi-layer, filter

$11.39
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Aquaneat aquarium bio - aquaneat,

Aquaneat aquarium bio - aquaneat,

$23.99
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Uimoso gallon smart aquarium - 2,

Uimoso gallon smart aquarium - 2,

$25.99
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Gallon aquarium stand - 40-50,

Gallon aquarium stand - 40-50,

$212.99
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Vevor gallon fish tank - 2,

Vevor gallon fish tank - 2,

$47.90
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Uimoso 500 gal hp - uimoso,

Uimoso 500 gal hp - uimoso,

$797.99
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Gal glass rectangular - 55,

Gal glass rectangular - 55,

$750.00
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Aquarium chiller 300l - aquarium,

Aquarium chiller 300l - aquarium,

$244.48
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Heavy duty aquarium stand - aquarium,

Heavy duty aquarium stand - aquarium,

$109.99
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Gallon fish tank stand - fish,

Gallon fish tank stand - fish,

$111.37
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Vevor 2gal fish tank aquarium - fish,

Vevor 2gal fish tank aquarium - fish,

$52.90
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hygger

hygger

$49.99
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Fish tank water - water, filter

Fish tank water - water, filter

$60.60
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Vevor gallon aquarium - vevor,

Vevor gallon aquarium - vevor,

$73.90
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Vevor gallon fish tank - 2,

Vevor gallon fish tank - 2,

$35.49
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Top fin pro aquarium - top,

Top fin pro aquarium - top,

$43.00
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Uimoso gallon smart fish - 2,

Uimoso gallon smart fish - 2,

$28.99
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Aquarium air pump two - air, w/

Aquarium air pump two - air, w/

$28.85
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Gallon all one reef - all-in-one,

Gallon all one reef - all-in-one,

$1111.18
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Quiet hang back - back, aquarium

Quiet hang back - back, aquarium

$35.61
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Small fish tank - small, gal

Small fish tank - small, gal

$52.99
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Tetra gallon led - 10, aquarium

Tetra gallon led - 10, aquarium

$78.95
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Chefoo 100w aquarium heater - chefoo,

Chefoo 100w aquarium heater - chefoo,

$25.99
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Fish tank gallon - tank, gallon,small

Fish tank gallon - tank, gallon,small

$46.99
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Simpliplex magnetic aquarium - magnetic,

Simpliplex magnetic aquarium - magnetic,

$39.77
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Hygger aquarium heater - hygger,

Hygger aquarium heater - hygger,

$19.99
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Aqueon pro quietflow - quietflow, 50

Aqueon pro quietflow - quietflow, 50

$35.00
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Multi layer aquarium filter - multi-layer,

Multi layer aquarium filter - multi-layer,

$30.99
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Aquarium protein nano skimmer - aquarium,

Aquarium protein nano skimmer - aquarium,

$56.94
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Eheim jager trutemp - jager,

Eheim jager trutemp - jager,

$24.95
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150 gallon aquarium tank and - 150,

150 gallon aquarium tank and - 150,

$2000.00
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Gal fish tank stand - fish,

Gal fish tank stand - fish,

$229.78
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Hygger adjustable submersible - adjustable,

Hygger adjustable submersible - adjustable,

$19.19
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Corrosion resistant magnetic - corrosion-resistant,

Corrosion resistant magnetic - corrosion-resistant,

$38.66
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Aquaneat aquarium air pump - aquarium, for

Aquaneat aquarium air pump - aquarium, for

$8.37
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Gal aquarium sponge - gal,

Gal aquarium sponge - gal,

$15.49
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hygger

hygger

$19.99
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Uimoso 2gal fish tank aquarium - uimoso,

Uimoso 2gal fish tank aquarium - uimoso,

$43.99
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Gallon fish tank - fish,

Gallon fish tank - fish,

$163.43
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Marineland penguin pro 375 - marineland,

Marineland penguin pro 375 - marineland,

$54.00
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Large aquarium decoration - large, fish

Large aquarium decoration - large, fish

$41.47
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Hygger aquarium silent - aquarium,

Hygger aquarium silent - aquarium,

$47.99
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Uimoso gal glass - gal, aquarium

Uimoso gal glass - gal, aquarium

$46.99
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Herture gallon fish tank - herture, 40-50

Herture gallon fish tank - herture, 40-50

$144.53
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Fluval power filter 50 - fluval, filter,

Fluval power filter 50 - fluval, filter,

$52.00
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Hygger aquarium wave maker for - aquarium,

Hygger aquarium wave maker for - aquarium,

$50.82
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Aquarium air pump for - for, 10

Aquarium air pump for - for, 10

$11.99
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Fish tank lid magnetic - tank,

Fish tank lid magnetic - tank,

$31.40
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2pcs aquarium gallon fish - ,30,

2pcs aquarium gallon fish - ,30,

$26.99
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Gallon fish tank stand - fish,

Gallon fish tank stand - fish,

$100.69
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Aquarium protein skimmer - protein,

Aquarium protein skimmer - protein,

$50.20
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Aqqa gallon fish tank m - fish,

Aqqa gallon fish tank m - fish,

$129.08
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Hang back aquarium filter - hang,

Hang back aquarium filter - hang,

$70.34
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hygger

hygger

$41.99
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Gallon aquarium stand - 40-50,

Gallon aquarium stand - 40-50,

$102.82
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Hygger aquarium heater 25w - hygger,

Hygger aquarium heater 25w - hygger,

$15.99
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Gallon aquarium stand - 40-50,

Gallon aquarium stand - 40-50,

$120.63
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50gal aquarium sponge - 10-50gal,

50gal aquarium sponge - 10-50gal,

$13.55
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Uimoso gallon aquarium - 75,

Uimoso gallon aquarium - 75,

$65.99
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Hygger small aquarium betta - hygger,

Hygger small aquarium betta - hygger,

$21.59
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Hygger aquarium heater - hygger,

Hygger aquarium heater - hygger,

$20.24
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Pro gallon fish tank - gallon,

Pro gallon fish tank - gallon,

$69.14
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Fluval 407 performance - fluval,

Fluval 407 performance - fluval,

$229.99
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Gallon aquarium stand with - 40,

Gallon aquarium stand with - 40,

$162.04
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Hygger 15w mini aquarium - 15w,

Hygger 15w mini aquarium - 15w,

$15.99
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Vevor gallon aquarium - 75,

Vevor gallon aquarium - 75,

$73.90
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Hang back aquarium filter - on,

Hang back aquarium filter - on,

$61.99
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Sturdy gallon aquarium - 40-50,

Sturdy gallon aquarium - 40-50,

$119.75
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Pcs clear aquarium canopy - pcs,

Pcs clear aquarium canopy - pcs,

$74.86
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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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Tetra 50w submersible - submersible, aquarium

Tetra 50w submersible - submersible, aquarium

$15.29
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Ocean free hydra 50 - ocean,

Ocean free hydra 50 - ocean,

$99.95
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hygger

hygger

$59.99
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Hygger aquarium heater fish - hygger,

Hygger aquarium heater fish - hygger,

$19.19
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Hygger 10w 25w - 10w/25w/50w/100w, mini

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

$19.99
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Gallon coral reef - gallon, aquarium

Gallon coral reef - gallon, aquarium

$1179.80
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20w submersible aquarium - submersible,

20w submersible aquarium - submersible,

$22.85
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Gallon hot bent black - 10, black-back

Gallon hot bent black - 10, black-back

$124.11
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Hygger 50w small - hygger,

Hygger 50w small - hygger,

$19.99
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Heavy duty gal aquarium - duty, 50

Heavy duty gal aquarium - duty, 50

$169.95
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Fish tank stand - fish,

Fish tank stand - fish,

$87.75
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Hygger 300 500 - hygger, 10/25/50/300/500/1000w

Hygger 300 500 - hygger, 10/25/50/300/500/1000w

$20.24
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Hygger 300 500 - hygger, 300/500/800/1000w

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

$19.99
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Hygger 25w 50w - hygger, aquarium

Hygger 25w 50w - hygger, aquarium

$17.49
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Aquaneat aquarium air pump for - aquarium,

Aquaneat aquarium air pump for - aquarium,

$8.47
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Layer aquarium filter box - 3‑layer,

Layer aquarium filter box - 3‑layer,

$63.98
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Gallon led glass - 2-gallon,

Gallon led glass - 2-gallon,

$56.95
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Revolutionary zero maintenance - revolutionary, zero-maintenance

Revolutionary zero maintenance - revolutionary, zero-maintenance

$149.00
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📊96 listings · from $8.37 · avg $121.58

Browse 96 50 gal fish aquarium listings currently in our index. Prices range from $8.37 to $2000, with an average of $121.58. 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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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 $8.37, while premium listings can reach $2000 — giving you a wide budget spread to work with. The average price of $121.58 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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