10 Best Filter Cartridges for Betta Fish 2025: According to Reviews | Chewy

The 10 Best Filter Cartridges for Betta Fish

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How we created this filter cartridge list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best filter cartridges for betta fish.
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 filter cartridges for betta fishes.

Key filter cartridge considerations

Compatibility

Durability

Ease of use

Filtration efficiency

1
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack
Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack

Aqueon QuietFlow X-Small Filter Cartridge, 3 Pack

Rated 4.8 out of 5 stars
55
$8.49Chewy Price
($2.83/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.2/5
Great

Durability

4.2/5
Great

Ease of use

4.3/5
Great

Filtration efficiency

4.4/5
Great

Is this filter cartridge right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Freshwater

Fish Type

Betta, Goldfish
2
Marineland Bio-Wheel Penguin Rite-Size A Filter Cartridge, 6 count
Marineland Bio-Wheel Penguin Rite-Size A Filter Cartridge, 6 count
Marineland Bio-Wheel Penguin Rite-Size A Filter Cartridge, 6 count
Marineland Bio-Wheel Penguin Rite-Size A Filter Cartridge, 6 count

Marineland Bio-Wheel Penguin Rite-Size A Filter Cartridge, 6 count

Rated 4.6 out of 5 stars
90
$13.89Chewy Price
($2.32/ea)
Promo, Spend $100, Get $30 eGift Card with code CELEBRATE

Our ratings

Compatibility

4.5/5
Great

Durability

4.2/5
Great

Ease of use

4.5/5
Great

Filtration efficiency

4.4/5
Great

Is this filter cartridge right for my pet?

Material

Foam

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
3
Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count
Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count
Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count
Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count
Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count

Tetra Whisper Bio-Bags Small Filter Cartridge, 2 count

Rated 4.6 out of 5 stars
86
$3.48Chewy Price
($1.74/ea)
Promo, Spend $100, Get $30 eGift Card with code CELEBRATE

Our ratings

Compatibility

4.4/5
Great

Durability

4.4/5
Great

Ease of use

4.5/5
Great

Filtration efficiency

4.6/5
Excellent

Is this filter cartridge right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Nano Tank, Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
4
Aqueon Medium Replacement Filter Cartridge, 3 count
Aqueon Medium Replacement Filter Cartridge, 3 count
Aqueon Medium Replacement Filter Cartridge, 3 count
Aqueon Medium Replacement Filter Cartridge, 3 count
Aqueon Medium Replacement Filter Cartridge, 3 count
Aqueon Medium Replacement Filter Cartridge, 3 count
Aqueon Medium Replacement Filter Cartridge, 3 count
Aqueon Medium Replacement Filter Cartridge, 3 count
Aqueon Medium Replacement Filter Cartridge, 3 count

Aqueon Medium Replacement Filter Cartridge, 3 count

Rated 4.6 out of 5 stars
109
$8.95Chewy Price
($2.99/ea)
Promo, Spend $100, Get $30 eGift Card with code CELEBRATE

Our ratings

Compatibility

3.9/5
Good

Durability

3.9/5
Good

Ease of use

4.5/5
Great

Filtration efficiency

4.1/5
Great

Is this filter cartridge right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
5
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count
Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count

Marineland Magnum Polishing Internal Canister Filter Floss Sleeve, 3 count

Rated 4.8 out of 5 stars
24
$8.38Chewy Price
($2.80/ea)
Promo, Spend $100, Get $30 eGift Card with code CELEBRATE

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.2/5
Great

Ease of use

4.7/5
Excellent

Filtration efficiency

4.7/5
Excellent

Is this filter cartridge right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
6
Koller Products KC05 Aquarium Replacement Filter Cartridges, 6 count
Koller Products KC05 Aquarium Replacement Filter Cartridges, 6 count
Koller Products KC05 Aquarium Replacement Filter Cartridges, 6 count
Koller Products KC05 Aquarium Replacement Filter Cartridges, 6 count

Koller Products KC05 Aquarium Replacement Filter Cartridges, 6 count

Rated 4.3 out of 5 stars
7
$9.99Chewy Price
($1.67/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 use

4.5/5
Great

Filtration efficiency

4.5/5
Great

Is this filter cartridge right for my pet?

Material

Plastic

Aquarium Type

Saltwater, Freshwater

Fish Type

Betta
7
API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6

API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6

Rated 4.5 out of 5 stars
24
$9.99Chewy Price
($9.99/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.1/5
Great

Durability

4.1/5
Great

Ease of use

4.2/5
Great

Filtration efficiency

4.3/5
Great

Is this filter cartridge right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish, Betta, Goldfish...
8
Marineland Magnum 350 Bonded Filter Cartridge, 3 count
Marineland Magnum 350 Bonded Filter Cartridge, 3 count
Marineland Magnum 350 Bonded Filter Cartridge, 3 count
Marineland Magnum 350 Bonded Filter Cartridge, 3 count

Marineland Magnum 350 Bonded Filter Cartridge, 3 count

Rated 4.8 out of 5 stars
21
$8.77Chewy Price
($2.93/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.5/5
Great

Ease of use

4.4/5
Great

Filtration efficiency

4.7/5
Excellent

Is this filter cartridge right for my pet?

Material

Foam

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
9
API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6
API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6

API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6

Rated 4.1 out of 5 stars
37
$10.18Chewy Price
($10.18/ea)
Promo, Spend $100, Get $30 eGift Card with code CELEBRATE

Our ratings

Compatibility

3.9/5
Good

Durability

4.1/5
Great

Ease of use

4.1/5
Great

Filtration efficiency

3.7/5
Good

Is this filter cartridge right for my pet?

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
10
API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count
API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count
API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count
API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count
API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count
API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count
API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count

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

Rated 5 out of 5 stars
7
$226.99Chewy Price
($12.62/ea)
Promo, Spend $100, Get $30 eGift Card with code CELEBRATE

Our ratings

Compatibility

4.6/5
Excellent

Durability

4.6/5
Excellent

Ease of use

4.6/5
Excellent

Filtration efficiency

4.6/5
Excellent

Is this filter cartridge right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish, Betta, Goldfish...