10 Best Aquarium Filter Media 2026: 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
237
$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

4.7/5
Excellent

Filtration Efficiency

4.6/5
Excellent

Is this aquarium filter medium right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, 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
123
$4.85Chewy Price
($4.85/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

4.7/5
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
Fluval Carbon for AC20/AC30 Aquarium Power Filter, 3 count
Fluval Carbon for AC20/AC30 Aquarium Power Filter, 3 count
Fluval Carbon for AC20/AC30 Aquarium Power Filter, 3 count
Fluval Carbon for AC20/AC30 Aquarium Power Filter, 3 count

Fluval Carbon for AC20/AC30 Aquarium Power Filter, 3 count

Rated 4.9 out of 5 stars
21
$5.98Chewy Price
($2.00/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.9/5
Excellent

Durability

4.8/5
Excellent

Ease of Maintenance

4.7/5
Excellent

Filtration Efficiency

4.7/5
Excellent

Is this aquarium filter medium right for my pet?

Aquarium Type

Freshwater
4
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
55
$13.59Chewy Price
($13.59/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

4.5/5
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
5
Boyd Chemi-pure Blue Ultimate Filter Media, 5-oz jar, Bulk 6-pack

Boyd Chemi-pure Blue Ultimate Filter Media, 5-oz jar, Bulk 6-pack

Rated 4.8 out of 5 stars
50
$59.48Chewy Price
($1.99/oz)
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

4.6/5
Excellent

Filtration Efficiency

4.5/5
Great

Is this aquarium filter medium right for my pet?

Material

Nylon, Synthetic Fabric

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater
6
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 4.2 out of 5 stars
41
$5.95Chewy Price
($0.60/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.4/5
Great

Durability

4.4/5
Great

Ease of Maintenance

4.7/5
Excellent

Filtration Efficiency

4.5/5
Great

Is this aquarium filter medium right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Marine Invertebrate...
7
Fluval Bio-Foam for AC20 Aquarium Power Filter, 3 count
Fluval Bio-Foam for AC20 Aquarium Power Filter, 3 count

Fluval Bio-Foam for AC20 Aquarium Power Filter, 3 count

Rated 5 out of 5 stars
14
$5.27Chewy Price
($1.76/ea)
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

4.7/5
Excellent

Filtration Efficiency

4.8/5
Excellent

Is this aquarium filter medium right for my pet?

Aquarium Type

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
123
$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

4.7/5
Excellent

Filtration Efficiency

4.7/5
Excellent

Is this aquarium filter medium right for my pet?

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater
9
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad
Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad

Aqueon QuietFlow 20/75 Ammonia Reducing Specialty Filter Pad

Rated 4.8 out of 5 stars
98
$9.95Chewy Price
($9.95/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.5/5
Great

Durability

4.5/5
Great

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

Fish Type

Goldfish
10
Marineland White Diamond Ammonia Neutralizing Crystals Filter Media, 50-oz jar
Marineland White Diamond Ammonia Neutralizing Crystals Filter Media, 50-oz jar
Marineland White Diamond Ammonia Neutralizing Crystals Filter Media, 50-oz jar

Marineland White Diamond Ammonia Neutralizing Crystals Filter Media, 50-oz jar

Rated 4.7 out of 5 stars
89
$3.03Chewy Price
($0.07/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.4/5
Great

Durability

4.4/5
Great

Ease of Maintenance

4.7/5
Excellent

Filtration Efficiency

4.5/5
Great

Is this aquarium filter medium right for my pet?

Aquarium Type

Pond, Freshwater

Fish Type

Tropical Freshwater