What are the components of an aquarium filter?

Common components of an aquarium filter include a filter media, circulating pump, and the filter housing. The filter media can range in material from sponge to mesh to floss to bio-balls.

How often do you replace the cartridge of a fish tank filter?

Generally speaking, you should replace a fish tank filter about once a month or every 6 weeks. However, this can vary from filter to filter. Usually, when you start to notice decreased water flow, you know it's either time to clean or replace your fish tank filter cartridge.

Do I need a specific cartridge for my aquarium filter?

Yes, every aquarium filter has its own filtration needs, so specific aquarium cartridges are needed. Some cartridges are designed to remove specific elements like chlorine and sediment. Additionally, some fish tank filter cartridges are only compatible with certain filter models. Before replacing fish tank filter cartridges, check the aquarium's filter model to ensure compatibility.

Aquarium & Fish Tank Filter Cartridges - Page 2 (Free Shipping)

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Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small slide 2 of 9

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small slide 3 of 9

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small slide 4 of 9

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small slide 5 of 9

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small slide 6 of 9

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small slide 7 of 9

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small slide 8 of 9

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small slide 9 of 9

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small

Rated 4.8 out of 5 stars

8

$8.95 Chewy Price

($2.99/ea) Price per Unit

$10.99 List Price

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Slide 1 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count slide 2 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count slide 3 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count slide 4 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count slide 5 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count slide 6 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count slide 7 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count slide 8 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count slide 9 of 9

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count

Rated 5 out of 5 stars

2

$10.95 Chewy Price

($3.65/ea) Price per Unit

$12.99 List Price

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Slide 1 of 6

Tetra Whisper Bio-Bag Aquarium Filter Cartridge, 6 count slide 2 of 6

Tetra Whisper Bio-Bag Aquarium Filter Cartridge, 6 count slide 3 of 6

Tetra Whisper Bio-Bag Aquarium Filter Cartridge, 6 count slide 4 of 6

Tetra Whisper Bio-Bag Aquarium Filter Cartridge, 6 count slide 5 of 6

Tetra Whisper Bio-Bag Aquarium Filter Cartridge, 6 count slide 6 of 6

Tetra Whisper Bio-Bag Aquarium Filter Cartridge, 6 count

Rated 4.5 out of 5 stars

37

$9.43 Chewy Price

($1.58/ea) Price per Unit

$11.99 List Price

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Slide 1 of 2

Fluval 306 & 307 Canister Filter Bio-Foam Value Pack Fish Filter Cartridge slide 2 of 2

Fluval 306 & 307 Canister Filter Bio-Foam Value Pack Fish Filter Cartridge

Rated 5 out of 5 stars

6

$11.30 Chewy Price

$14.99 List Price

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Marineland Eclipse Rite-Size Z Filter Cartridge, 3 count

Rated 4.8 out of 5 stars

79

$4.39 Chewy Price

($1.47/ea) Price per Unit

$8.99 List Price

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Fluval FX2/FX4/FX5/FX6 Canister Filter Carbon Foam Fish Filter Catridge, 2 count

Rated 5 out of 5 stars

4

$15.83 Chewy Price

($7.92/ea) Price per Unit

$17.99 List Price

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Aqueon Large Internal Filter Replacement Cartridge, 2 count

Rated 4.7 out of 5 stars

37

$10.95 Chewy Price

($5.48/ea) Price per Unit

$12.99 List Price

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Marineland Pro 275 & 375 Micron Filter Water Polishing Cartridge

Rated 5 out of 5 stars

6

$2.57 Chewy Price

($2.57/ea) Price per Unit

$11.79 List Price

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Fluval Bio-Foam Filter Media, 2 count

Rated 4.7 out of 5 stars

32

$8.99 Chewy Price

($4.50/ea) Price per Unit

$11.99 List Price

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API Filstar XP Microfiltration Aquarium Canister Filter Filtration Pads, 3 count

Rated 4.8 out of 5 stars

20

$9.40 Chewy Price

($3.14/ea) Price per Unit

$12.98 List Price

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Coralife Marine Aquarium Filter Cartridge, Large, 3 count

Rated 4 out of 5 stars

4

$13.49 Chewy Price

($4.50/ea) Price per Unit

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Underwater Treasures Seapora Rite-Fit PF10/30 Medium/Junior Cartridge Power Aquarium Filter, 3 ...

Rated 5 out of 5 stars

4

$8.83 Chewy Price

($2.95/ea) Price per Unit

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New

Aqueon Carbon Replacement Filter Cartridges, 6 count, Medium

$19.75 Chewy Price

($3.30/ea) Price per Unit

$20.99 List Price

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Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count

Rated 4.6 out of 5 stars

109

$3.77 Chewy Price

($1.89/ea) Price per Unit

$4.69 List Price

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Fluval U4 Poly/Clearmax Filter Cartridge

Rated 4.1 out of 5 stars

22

$17.99 Chewy Price

($17.99/ea) Price per Unit

$18.99 List Price

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Aqueon Replacement Betta Filter Cartridge, 2 count

Rated 4.9 out of 5 stars

13

$5.18 Chewy Price

($2.59/ea) Price per Unit

$6.49 List Price

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Bundle and Save 10%

Bundle: Marineland Bio-Wheel Emperor Rite-Size E Filter Cartridge, 4 count + 400 Aquarium Power...

Rated 4.9 out of 5 stars

16

$88.41 Chewy Price

$98.76 List Price

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Marineland Pro 450 Micron Filter Water Polishing Cartridge

Rated 4 out of 5 stars

4

$2.57 Chewy Price

($2.57/ea) Price per Unit

$11.89 List Price

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Fluval Underwater Filter Poly/Carbon Cartridge, 2 count

Rated 4.4 out of 5 stars

33

$8.99 Chewy Price

($4.50/ea) Price per Unit

$11.99 List Price

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Bundle: Aqueon QuietFlow Medium Replacement Filter Cartridges + 10 Ammonia Reducing Specialty F...

Rated 5 out of 5 stars

3

$32.20 Chewy Price

$33.90 List Price

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Fluval U2 Poly/Clearmax Filter Cartridge, 2 count

Rated 4.4 out of 5 stars

27

$8.99 Chewy Price

($4.50/ea) Price per Unit

$9.49 List Price

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Koller Products KC05 Aquarium Replacement Filter Cartridges, 6 count

Rated 4.3 out of 5 stars

7

$9.99 Chewy Price

($1.67/ea) Price per Unit

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Underwater Treasures Seapora Rite-Fit PF55 Large/Regular Cartridge Power Aquarium Filter, 3 cou...

Rated 3.4 out of 5 stars

5

$7.99 Chewy Price

($2.67/ea) Price per Unit

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New

Aqueon Pro NoDrip Design Carbon Replacement Filter Cartridges, 3 count, Large

$11.99 Chewy Price

($4.00/ea) Price per Unit

$13.99 List Price

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Lifegard Hang-On-Filter Replacement Cartridges, 2-pack, 20-gal

$5.38 Chewy Price

($2.69/ea) Price per Unit

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Free delivery on first-time orders over $35
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Arrives between Jun 4 and Jun 9

API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count

Rated 5 out of 5 stars

8

$226.99 Chewy Price

($12.62/ea) Price per Unit

$265.38 List Price

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JBJ Aquarium Rimless Desktop Bio Aquarium Filter Cartridge Replacement

Rated 5 out of 5 stars

1

$23.39 Chewy Price

($23.39/ea) Price per Unit

$24.00 List Price

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Arrives between Jun 2 and Jun 6

Aqueon EcoRenew Aquarium Filter Cartridges, Medium, 9 count

Rated 4.4 out of 5 stars

7

$27.95 Chewy Price

$32.99 List Price

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Aquatop Hang-On Back Aquarium Power Filter Replacement Carbon Cartridge, 3 count, PF40-UV

Rated 4.5 out of 5 stars

8

$12.99 Chewy Price

($4.33/ea) Price per Unit

$15.99 List Price

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TL Reefs Deionization Resin Aquarium Prefilled Cartridge

$27.49 Chewy Price

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Fluval Chi II Filter Pad & Filter Foam Pad, Value Pack, Value Pack

Rated 5 out of 5 stars

7

$7.98 Chewy Price

($7.98/ea) Price per Unit

$9.49 List Price

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Free 1-3 day delivery on first-time orders over $35
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Fluval G6 Nitrate Adsorbing Filter Cartridge

$67.99 Chewy Price

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Underwater Treasures Seapora PF30/PF55 Bio-Sponge, 3 count

Rated 1 out of 5 stars

1

$5.99 Chewy Price

($2.00/ea) Price per Unit

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Free 1-3 day delivery on first-time orders over $35
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AA Aquarium GKM 20Ga UV Filter Replacement Cartridges & Filter Sponge

$11.99 Chewy Price

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Pro Clear Aquatic Systems Single Chemical Media Cartridge, Clear

$43.95 Chewy Price

$50.53 List Price

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Free 1-3 day delivery on first-time orders
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Fluval Pressurized CO2 Disposable Cartridges, 3 count

Rated 1 out of 5 stars

1

$13.26 Chewy Price

($4.42/ea) Price per Unit

$25.99 List Price

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Aquarium & Fish Tank Filter Cartridges

Never run out with Autoship

Aqueon EcoRenew Replacement Filter Cartridges, 3 count, X-Small

Aqueon EcoRenew Aquarium Replacement Filter Cartridges, Medium, 3 count

Tetra Whisper Bio-Bag Aquarium Filter Cartridge, 6 count

Fluval 306 & 307 Canister Filter Bio-Foam Value Pack Fish Filter Cartridge

Marineland Eclipse Rite-Size Z Filter Cartridge, 3 count

Fluval FX2/FX4/FX5/FX6 Canister Filter Carbon Foam Fish Filter Catridge, 2 count

Aqueon Large Internal Filter Replacement Cartridge, 2 count

Marineland Pro 275 & 375 Micron Filter Water Polishing Cartridge

Fluval Bio-Foam Filter Media, 2 count

API Filstar XP Microfiltration Aquarium Canister Filter Filtration Pads, 3 count

Coralife Marine Aquarium Filter Cartridge, Large, 3 count

Underwater Treasures Seapora Rite-Fit PF10/30 Medium/Junior Cartridge Power Aquarium Filter, 3 ...

Aqueon Carbon Replacement Filter Cartridges, 6 count, Medium

Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count

Fluval U4 Poly/Clearmax Filter Cartridge

Aqueon Replacement Betta Filter Cartridge, 2 count

Marineland Pro 450 Micron Filter Water Polishing Cartridge

Fluval Underwater Filter Poly/Carbon Cartridge, 2 count

Fluval U2 Poly/Clearmax Filter Cartridge, 2 count

Koller Products KC05 Aquarium Replacement Filter Cartridges, 6 count

Underwater Treasures Seapora Rite-Fit PF55 Large/Regular Cartridge Power Aquarium Filter, 3 cou...

Aqueon Pro NoDrip Design Carbon Replacement Filter Cartridges, 3 count, Large

Lifegard Hang-On-Filter Replacement Cartridges, 2-pack, 20-gal

API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count

JBJ Aquarium Rimless Desktop Bio Aquarium Filter Cartridge Replacement

Aqueon EcoRenew Aquarium Filter Cartridges, Medium, 9 count

Aquatop Hang-On Back Aquarium Power Filter Replacement Carbon Cartridge, 3 count, PF40-UV

TL Reefs Deionization Resin Aquarium Prefilled Cartridge

Fluval Chi II Filter Pad & Filter Foam Pad, Value Pack, Value Pack

Fluval G6 Nitrate Adsorbing Filter Cartridge

Underwater Treasures Seapora PF30/PF55 Bio-Sponge, 3 count

AA Aquarium GKM 20Ga UV Filter Replacement Cartridges & Filter Sponge

Pro Clear Aquatic Systems Single Chemical Media Cartridge, Clear

Fluval Pressurized CO2 Disposable Cartridges, 3 count

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