10 Best Aquarium Filter Media 2025: According to Reviews | Chewy

The 10 Best Aquarium Filter Media

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How we created this aquarium filter medium list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best aquarium filter medium.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best aquarium filter media.

Key aquarium filter medium considerations

Compatibility

Durability

Ease of Maintenance

Filtration Efficiency

1
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar

Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar

Rated 4.8 out of 5 stars
216
$9.99Chewy Price
($0.46/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.8/5
Excellent

Durability

4.6/5
Excellent

Ease of Maintenance

4.8/5
Excellent

Filtration Efficiency

4.7/5
Excellent

Is this aquarium filter medium right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
2
AquaClear Activated Carbon Filter Insert, Size 30
AquaClear Activated Carbon Filter Insert, Size 30

AquaClear Activated Carbon Filter Insert, Size 30

Rated 4.8 out of 5 stars
121
$4.99Chewy Price
($4.99/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.5/5
Great

Durability

4.7/5
Excellent

Ease of Maintenance

4.6/5
Excellent

Filtration Efficiency

4.6/5
Excellent

Is this aquarium filter medium right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
3
Tetra Pond Clear Choice Bio-Filter Replacement Pads
Tetra Pond Clear Choice Bio-Filter Replacement Pads
Tetra Pond Clear Choice Bio-Filter Replacement Pads
Tetra Pond Clear Choice Bio-Filter Replacement Pads
Tetra Pond Clear Choice Bio-Filter Replacement Pads

Tetra Pond Clear Choice Bio-Filter Replacement Pads

Rated 4.8 out of 5 stars
53
$13.59Chewy Price
($13.59/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.6/5
Excellent

Durability

4.6/5
Excellent

Ease of Maintenance

4.5/5
Great

Filtration Efficiency

4.6/5
Excellent

Is this aquarium filter medium right for my pet?

Material

Foam

Aquarium Type

Pond

Fish Type

Koi & Pond Fish
4
Fluval Spec Carbon Bags Filter Media, 3-pack
Fluval Spec Carbon Bags Filter Media, 3-pack
Fluval Spec Carbon Bags Filter Media, 3-pack

Fluval Spec Carbon Bags Filter Media, 3-pack

Rated 4.6 out of 5 stars
53
$4.49Chewy Price
($1.50/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.4/5
Great

Ease of Maintenance

4.4/5
Great

Filtration Efficiency

4.6/5
Excellent

Is this aquarium filter medium right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater
5
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz

SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz

Rated 4.1 out of 5 stars
34
$11.95Chewy Price
($1.20/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.4/5
Great

Durability

4.6/5
Excellent

Ease of Maintenance

4.6/5
Excellent

Filtration Efficiency

4.6/5
Excellent

Is this aquarium filter medium right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Marine Invertebrate...
6
Boyd Chemi-pure Elite All-In-One Chemical Filtration Media, 11.74-oz jar

Boyd Chemi-pure Elite All-In-One Chemical Filtration Media, 11.74-oz jar

Rated 4.5 out of 5 stars
59
$18.51Chewy Price
($1.58/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.6/5
Excellent

Durability

4.8/5
Excellent

Ease of Maintenance

4.7/5
Excellent

Filtration Efficiency

4.6/5
Excellent

Is this aquarium filter medium right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater
7
AquaClear Foam Filter Insert, Size 50, 3 count
AquaClear Foam Filter Insert, Size 50, 3 count

AquaClear Foam Filter Insert, Size 50, 3 count

Rated 4.8 out of 5 stars
77
$4.99Chewy Price
($1.67/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.6/5
Excellent

Ease of Maintenance

4.7/5
Excellent

Filtration Efficiency

4.8/5
Excellent

Is this aquarium filter medium right for my pet?

Material

Foam

Aquarium Type

Saltwater, Freshwater

Fish Type

Marine Fish, Tropical Freshwater
8
Marineland Diamond Blend Carbon Ammonia Neutralizing Carbon Filter Media, 50-oz jar
Marineland Diamond Blend Carbon Ammonia Neutralizing Carbon Filter Media, 50-oz jar
Marineland Diamond Blend Carbon Ammonia Neutralizing Carbon Filter Media, 50-oz jar
Marineland Diamond Blend Carbon Ammonia Neutralizing Carbon Filter Media, 50-oz jar

Marineland Diamond Blend Carbon Ammonia Neutralizing Carbon Filter Media, 50-oz jar

Rated 4.7 out of 5 stars
114
$11.79Chewy Price
($0.24/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.5/5
Great

Ease of Maintenance

4.6/5
Excellent

Filtration Efficiency

4.8/5
Excellent

Is this aquarium filter medium right for my pet?

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater
9
Marineland Rite-Size S, T & X, Fit All C-Series, Magniflow Biological Aquarium Filtration Ceramic Filter Rings, 140 count
Marineland Rite-Size S, T & X, Fit All C-Series, Magniflow Biological Aquarium Filtration Ceramic Filter Rings, 140 count
Marineland Rite-Size S, T & X, Fit All C-Series, Magniflow Biological Aquarium Filtration Ceramic Filter Rings, 140 count

Marineland Rite-Size S, T & X, Fit All C-Series, Magniflow Biological Aquarium Filtration Ceramic Filter Rings, 140 count

Rated 4.7 out of 5 stars
51
$5.79Chewy Price
($0.05/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.7/5
Excellent

Ease of Maintenance

4.7/5
Excellent

Filtration Efficiency

4.8/5
Excellent

Is this aquarium filter medium right for my pet?

Material

Ceramic

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
10
Fluval Spec Biomax Filter Media
Fluval Spec Biomax Filter Media

Fluval Spec Biomax Filter Media

Rated 4.7 out of 5 stars
57
$5.99Chewy Price
($5.99/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.6/5
Excellent

Durability

4.5/5
Great

Ease of Maintenance

4.2/5
Great

Filtration Efficiency

4.6/5
Excellent

Is this aquarium filter medium right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater