What are fish tank filters?

Fish tank filters are devices necessary to maintaining clean water so your fish and plants can thrive. Filters usually consist of three filtration elements: mechanical, chemical, and biological.

Can an aquarium survive without a filter?

While it might be possible for an aquarium to survive without a filter, it's not recommended, especially if you have fish in the tank. A filtration system not only makes maintaining an aquarium easier, with fewer water changes required, but it also provides a better environment for both fish and plants.

Can a filter be too powerful for an aquarium?

Yes, fish tank filters can be too powerful for an aquarium and result in negative effects. For example, if a filter is too powerful with an overly strong water flow, it can cause excess stress to your fish. Filters that are too powerful can also potentially suck fish into the intake.

Can you over filter a fish tank?

Yes, you can over filter a fish tank if the aquarium filter is too strong and creating an excessively strong water flow. This can cause stress to your fish and even lead to nutrient deficiency in the tank.

Aquarium & Fish Tank Filters - Page 4 (Free Shipping)

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Hydor Seltz L20 Universal Centrifugal Pump, 185-gph, Black slide 2 of 7

Hydor Seltz L20 Universal Centrifugal Pump, 185-gph, Black slide 3 of 7

Hydor Seltz L20 Universal Centrifugal Pump, 185-gph, Black slide 4 of 7

Hydor Seltz L20 Universal Centrifugal Pump, 185-gph, Black slide 5 of 7

Hydor Seltz L20 Universal Centrifugal Pump, 185-gph, Black slide 6 of 7

Hydor Seltz L20 Universal Centrifugal Pump, 185-gph, Black slide 7 of 7

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Hydor Seltz L20 Universal Centrifugal Pump, 185-gph, Black

$47.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

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OASE Indoor Aquatics Biostyle 50 Fish Filter, White slide 2 of 5

OASE Indoor Aquatics Biostyle 50 Fish Filter, White slide 3 of 5

OASE Indoor Aquatics Biostyle 50 Fish Filter, White slide 4 of 5

OASE Indoor Aquatics Biostyle 50 Fish Filter, White slide 5 of 5

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OASE Indoor Aquatics Biostyle 50 Fish Filter, White

Rated 5 out of 5 stars

3

$69.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Eheim Pro 4+ 250 Aquarium Canister Filter

Rated 3.9 out of 5 stars

8

$229.99 Chewy Price

$285.95 List Price

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Free 1-3 day delivery on first-time orders
Free 365-day returns

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Tetra Water Garden Pond Pump Cylinder Pre-Filter slide 2 of 6

Tetra Water Garden Pond Pump Cylinder Pre-Filter slide 3 of 6

Tetra Water Garden Pond Pump Cylinder Pre-Filter slide 4 of 6

Tetra Water Garden Pond Pump Cylinder Pre-Filter slide 5 of 6

Tetra Water Garden Pond Pump Cylinder Pre-Filter slide 6 of 6

Tetra Water Garden Pond Pump Cylinder Pre-Filter

Rated 4.6 out of 5 stars

7

$9.69 Chewy Price

$19.39 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval Sea Mini Fish Protein Skimmer

Rated 3.9 out of 5 stars

20

$38.89 Chewy Price

$73.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Tetrafauna Viquarium Terrarium & Aquarium Filter, 20-55 gal

Rated 3.9 out of 5 stars

36

$115.99 Chewy Price

$124.79 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fiji Cube External Overflow Box, 1200 GHP

Rated 5 out of 5 stars

2

$184.99 Chewy Price

$199.79 List Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 12 and Apr 15

Tetra Pond Debris Handling Pump

Rated 4.6 out of 5 stars

16

$182.49 Chewy Price

$398.79 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

TMC Optical Auto Top Up Aquarium Pump

Rated 1 out of 5 stars

1

$99.99 Chewy Price

$109.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aqueon Betta Volcano Betta Fish Aquarium Filter

Rated 4.3 out of 5 stars

21

$12.77 Chewy Price

$14.99 List Price

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Free 1-3 day delivery on first-time orders over $35
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SunSun Pressurized Pond Filter, 4227 GPH

Rated 4.6 out of 5 stars

14

$199.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Hydor Pico Centrifugal Fish Pump, Black, 160-gph

Rated 4.8 out of 5 stars

4

$26.57 Chewy Price

($26.57/ea) Price per Unit

$26.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

OASE Indoor Aquatics Biocompact 50 Internal Fish Filter

Rated 3 out of 5 stars

2

$34.00 Chewy Price

$39.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Eheim 2180 Pro 3 Fish Aquarium Thermofilter

Rated 5 out of 5 stars

1

$810.77 Chewy Price

$879.95 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

AquaReady Complete Filtration System, 20 to 60-gal

Rated 4.5 out of 5 stars

2

$289.99 Chewy Price

$347.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Tetra Pond Tubing, Smooth, 1/2-in x 15-ft

Rated 4.1 out of 5 stars

21

$7.59 Chewy Price

$10.19 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AquaClear Powerhead Water Pump, Size 20

Rated 4.4 out of 5 stars

59

$42.52 Chewy Price

$53.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fiji Cube Aqueon Sump Baffle Kit, 40-gal

Rated 5 out of 5 stars

2

$179.99 Chewy Price

$194.39 List Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 12 and Apr 15

Seapora Aquarium Power Filter PF55

Rated 3 out of 5 stars

1

$54.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Tetra Clrchoice Aquarium Filter

Rated 4.4 out of 5 stars

5

$115.06 Chewy Price

$116.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Penn-Plax 500 Flexible Aquarium Tubing

Rated 3.7 out of 5 stars

3

$49.99 Chewy Price

($0.10/ea) Price per Unit

$92.99 List Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 11 and Apr 14

SunSun HW-603B Aquarium Canister Filter, 20-gal

Rated 3.9 out of 5 stars

13

$58.56 Chewy Price

($2.93/gl) Price per Unit

$68.09 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aqueon Submersible Internal Aquarium Filter, 10-gal

Rated 5 out of 5 stars

1

$44.95 Chewy Price

($4.50/gl) Price per Unit

$49.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

OASE Indoor Aquatics Optimax 85I Fish Pump

$17.99 Chewy Price

$29.42 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Eheim Classic 2211 Aquarium Canister Filter

Rated 3.9 out of 5 stars

7

$144.64 Chewy Price

$153.95 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

AquaReady Nano In Sump Protein Skimmer, 30 to 65-gal

$199.99 Chewy Price

$239.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fish Mate Powerclenz Bio Filter, 1500 GPH

Rated 5 out of 5 stars

3

$244.50 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aquaillumination Nero 3 Aquarium Pump, 5 to 60-gal

Rated 4.3 out of 5 stars

8

$179.99 Chewy Price

$227.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Lifegard Turbo Reactor-X-Large Side Flow Aquarium Filter, 850-gal

Rated 5 out of 5 stars

1

$356.00 Chewy Price

($0.42/gl) Price per Unit

$376.72 List Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 13 and Apr 17

Seapora Nano Power Filter, Black

Rated 2.5 out of 5 stars

2

$18.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra Bio-Active Pressure BP2500 Filter

Rated 3 out of 5 stars

2

$239.99 Chewy Price

$338.69 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Coralife Turbo-Twist Ultraviolet Sterilizer, Size 3X

Rated 4 out of 5 stars

42

$110.52 Chewy Price

$192.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

TMC Reef Pump Compact 1500 DC Aquarium Pump

$114.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Penn-Plax Cascade Aquarium Bio-Floss Pads 1200 & 1500 Filter, 6 count, Medium

Rated 4.8 out of 5 stars

22

$19.25 Chewy Price

($3.21/ea) Price per Unit

$21.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

OASE Indoor Aquatics Biostyle 30 Fish Filter, Dark Blue

Rated 5 out of 5 stars

1

$43.46 Chewy Price

$44.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Jebao Submersible 660W Pond Pump, 7925 GPH

Rated 5 out of 5 stars

6

$169.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aquarium & Fish Tank Filters

Hydor Seltz L20 Universal Centrifugal Pump, 185-gph, Black

OASE Indoor Aquatics Biostyle 50 Fish Filter, White

Eheim Pro 4+ 250 Aquarium Canister Filter

Tetra Water Garden Pond Pump Cylinder Pre-Filter

Fluval Sea Mini Fish Protein Skimmer

Tetrafauna Viquarium Terrarium & Aquarium Filter, 20-55 gal

Fiji Cube External Overflow Box, 1200 GHP

Tetra Pond Debris Handling Pump

TMC Optical Auto Top Up Aquarium Pump

Aqueon Betta Volcano Betta Fish Aquarium Filter

SunSun Pressurized Pond Filter, 4227 GPH

Hydor Pico Centrifugal Fish Pump, Black, 160-gph

OASE Indoor Aquatics Biocompact 50 Internal Fish Filter

Eheim 2180 Pro 3 Fish Aquarium Thermofilter

AquaReady Complete Filtration System, 20 to 60-gal

Tetra Pond Tubing, Smooth, 1/2-in x 15-ft

AquaClear Powerhead Water Pump, Size 20

Fiji Cube Aqueon Sump Baffle Kit, 40-gal

Seapora Aquarium Power Filter PF55

Tetra Clrchoice Aquarium Filter

Penn-Plax 500 Flexible Aquarium Tubing

SunSun HW-603B Aquarium Canister Filter, 20-gal

Aqueon Submersible Internal Aquarium Filter, 10-gal

OASE Indoor Aquatics Optimax 85I Fish Pump

Eheim Classic 2211 Aquarium Canister Filter

AquaReady Nano In Sump Protein Skimmer, 30 to 65-gal

Fish Mate Powerclenz Bio Filter, 1500 GPH

Aquaillumination Nero 3 Aquarium Pump, 5 to 60-gal

Lifegard Turbo Reactor-X-Large Side Flow Aquarium Filter, 850-gal

Seapora Nano Power Filter, Black

Tetra Bio-Active Pressure BP2500 Filter

Coralife Turbo-Twist Ultraviolet Sterilizer, Size 3X

TMC Reef Pump Compact 1500 DC Aquarium Pump

Penn-Plax Cascade Aquarium Bio-Floss Pads 1200 & 1500 Filter, 6 count, Medium

OASE Indoor Aquatics Biostyle 30 Fish Filter, Dark Blue

Jebao Submersible 660W Pond Pump, 7925 GPH

Category

UV Sterilizers

Sponge & Box Filters

Hang-On-Back Filters

Internal Tank Filters

External Aquarium Filters

Sumps & Refugium

Protein Skimmers

Water Pumps & Power Heads

Media Reactors

Pond Filters

Filter Socks & Rollers

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