Do I need filter media for my aquarium?

You do need filter media for your aquarium. Filters are essential to the health of your tank, and different filter media perform a variety of functions. Mechanical media filter out particles and debris to keep the water clean. Biological filtration media support colonies of beneficial bacteria that break down toxins in the water. Chemical media help remove toxins and change water chemistry. Many aquarists use all three together to ensure the water stays safe and healthy for fish.

Where do I put filter media in my fish tank?

You put filter media inside the filter for your fish tank. Many filters let you customize your filtration using different types of fish tank filter media. Others come with their own filter media that you will need to replace periodically. Check the directions for your aquarium filter to learn what kind of filtration media it takes and how to properly replace the filter media.

How often should I change the filter media in my aquarium?

You should change the filter media in your aquarium as often as necessary to maintain healthy water conditions. The frequency will vary depending on things like the bio-load of the tank, maintenance, feeding amounts and what kind of filtration media you are using. Mechanical media like sponges should be changed when they can no longer be rinsed properly, usually after 3 to 6 months. Chemical media should usually be replaced every 1 to 2 months, on average. Biological media houses living bacteria colonies and can last for many years, so you shouldn't need to replace it very often. Check the instructions on your filter media to learn how and when to clean it and for guidance on how often it should be replaced.

Which filter media is best for fish tanks?

The best filter media for your fish tank will vary based on things like the type of tank you have, how big it is, and how many fish live in it. Generally speaking, however, the best filter media for most fish tanks is a combination of mechanical, biological and chemical filtration media. Most modern filters incorporate all three of these filtration media to keep your tank water clean and healthy for your fish.

Aquarium Filter Media - Page 4 (Free Shipping)

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Fluval C3 Foam Pad Filter Media, 2 count

Rated 1 out of 5 stars

$5.77 Chewy Price

$6.99 List Price

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Aqueon Filter Media Foam Pad Fish Filter Media, Small

$7.99 Chewy Price

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Eheim Pro 4+ Canister Filter Pads, 5 count

Rated 4.1 out of 5 stars

$17.99 Chewy Price

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Fluval C2 Bio-Screen Pad Filter Media, 3 count

Rated 5 out of 5 stars

$8.31 Chewy Price

$13.99 List Price

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API Bio-Chem Stars Filtration Media for Biological Filter, 20 count

Rated 5 out of 5 stars

$19.98 Chewy Price

$27.98 List Price

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MARINEPURE Cermedia Aquarium Biofilter Media Plate

Rated 2 out of 5 stars

$28.04 Chewy Price

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Aquascape Dense Fish Filter Media

$208.55 Chewy Price

$239.98 List Price

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Fluval C2 Foam Pad Filter Media, 2 count

Rated 5 out of 5 stars

$5.62 Chewy Price

$6.49 List Price

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Eheim 2211 Canister Carbon Filter Pads, 3 count

$12.99 Chewy Price

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Marineland Ammonia Reducing Resin, 8-oz

Rated 3 out of 5 stars

$12.62 Chewy Price

$14.09 List Price

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

Rated 5 out of 5 stars

$7.98 Chewy Price

$9.49 List Price

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MARINEPURE Cermedia Aquarium Biofilter Media Block

Rated 5 out of 5 stars

$51.84 Chewy Price

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Laguna Phos-X Phosphate Remover Water Treatment, 1320 gal

$40.99 Chewy Price

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Eheim Ehfifix Mechanical Filter Media, 5-L

$26.99 Chewy Price

$32.98 List Price

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Fluval Chi II Replacement Filter Pads, 3-pack

$9.18 Chewy Price

$14.99 List Price

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Underwater Treasures Seapora Bio Balls, 300 count

Rated 5 out of 5 stars

$22.99 Chewy Price

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Cobalt Aquatics Complete Freshwater Aquarium Granulated Carbon, 7.5-oz bottle

Rated 5 out of 5 stars

$12.76 Chewy Price

$16.79 List Price

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Fluval Nano Bio-Foam Filter Media

$6.49 Chewy Price

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Marineland Duetto 50 Mechanical Prefilter Sponge Filter Media, 2 count

$2.24 Chewy Price

$3.99 List Price

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Fluval C4 Bio-Screen Pad Filter Media, 3 count

Rated 5 out of 5 stars

$9.08 Chewy Price

$14.99 List Price

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CaribSea ARM Aquarium Calcium Reactor Media, 1-gal bottle

$32.99 Chewy Price

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Eheim Classic 2217 Carbon Fine Filter Pads, 3 pack

Rated 4 out of 5 stars

$17.71 Chewy Price

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Tetra Whisper Carbon Medium Filter Media, 2 count

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Rated 3 out of 5 stars

$4.77 Chewy Price

$7.29 List Price

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Eheim 2211 Canister Fine Filter Pads, 3 count

Rated 5 out of 5 stars

$11.56 Chewy Price

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Cobalt Aquatics Ultra Carbon Quick Acting Granulated Carbon, 13.5-oz bottle

Rated 3 out of 5 stars

$16.62 Chewy Price

$26.35 List Price

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Fluval C2 Ammonia Remover Filter Media, 3 count

Rated 5 out of 5 stars

$5.99 Chewy Price

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Cobalt Aquatics Total Softener Rechargeable Hardness Removing Resin, 8.5-oz bottle

Rated 5 out of 5 stars

$9.82 Chewy Price

$11.98 List Price

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Cobalt Aquatics Complete Reef Superior Marine Aquarium Pollutant & Nitrate Removal, 7.5-oz bott...

Rated 5 out of 5 stars

$9.59 Chewy Price

$14.87 List Price

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Fluval C3 Ammonia Remover Filter Media, 3 count

Rated 4.5 out of 5 stars

$7.99 Chewy Price

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Fluval C3 Zeo-Carb Filter Media, 3 count

Rated 3.5 out of 5 stars

$5.47 Chewy Price

$9.99 List Price

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Fluval Peat Granules Filter Media, 17.6-oz

Rated 4.6 out of 5 stars

$8.92 Chewy Price

$18.99 List Price

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Tetra Whisper Carbon Large Filter Media, 2 count

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Rated 5 out of 5 stars

$7.19 Chewy Price

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AquaClear CycleGuard Power Filter, Size 20

Rated 4.4 out of 5 stars

140

$10.00 Chewy Price

$38.99 List Price

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TL Reefs Rox 0.8 Premium Aquarium Carbon, 0.75-lb bag

$21.99 Chewy Price

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TL Reefs PHA Aquarium Biopellets, Nitrate & Phosphate Reducer, 1.5-lb bag

Rated 1 out of 5 stars

$39.95 Chewy Price

$49.99 List Price

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Aquascape UltraKlean Fish Aquarium BioBalls, 250 count

$33.97 Chewy Price

$39.98 List Price

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Aquarium Filter Media

Fluval C3 Foam Pad Filter Media, 2 count

Aqueon Filter Media Foam Pad Fish Filter Media, Small

Eheim Pro 4+ Canister Filter Pads, 5 count

Fluval C2 Bio-Screen Pad Filter Media, 3 count

API Bio-Chem Stars Filtration Media for Biological Filter, 20 count

MARINEPURE Cermedia Aquarium Biofilter Media Plate

Aquascape Dense Fish Filter Media

Fluval C2 Foam Pad Filter Media, 2 count

Eheim 2211 Canister Carbon Filter Pads, 3 count

Marineland Ammonia Reducing Resin, 8-oz

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

MARINEPURE Cermedia Aquarium Biofilter Media Block

Laguna Phos-X Phosphate Remover Water Treatment, 1320 gal

Eheim Ehfifix Mechanical Filter Media, 5-L

Fluval Chi II Replacement Filter Pads, 3-pack

Underwater Treasures Seapora Bio Balls, 300 count

Cobalt Aquatics Complete Freshwater Aquarium Granulated Carbon, 7.5-oz bottle

Fluval Nano Bio-Foam Filter Media

Marineland Duetto 50 Mechanical Prefilter Sponge Filter Media, 2 count

Fluval C4 Bio-Screen Pad Filter Media, 3 count

CaribSea ARM Aquarium Calcium Reactor Media, 1-gal bottle

Eheim Classic 2217 Carbon Fine Filter Pads, 3 pack

Tetra Whisper Carbon Medium Filter Media, 2 count

Eheim 2211 Canister Fine Filter Pads, 3 count

Cobalt Aquatics Ultra Carbon Quick Acting Granulated Carbon, 13.5-oz bottle

Fluval C2 Ammonia Remover Filter Media, 3 count

Cobalt Aquatics Total Softener Rechargeable Hardness Removing Resin, 8.5-oz bottle

Cobalt Aquatics Complete Reef Superior Marine Aquarium Pollutant & Nitrate Removal, 7.5-oz bott...

Fluval C3 Ammonia Remover Filter Media, 3 count

Fluval C3 Zeo-Carb Filter Media, 3 count

Fluval Peat Granules Filter Media, 17.6-oz

Tetra Whisper Carbon Large Filter Media, 2 count

AquaClear CycleGuard Power Filter, Size 20

TL Reefs Rox 0.8 Premium Aquarium Carbon, 0.75-lb bag

TL Reefs PHA Aquarium Biopellets, Nitrate & Phosphate Reducer, 1.5-lb bag

Aquascape UltraKlean Fish Aquarium BioBalls, 250 count

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