10 Best Filter Cartridges for Saltwater Aquariums 2023: According to Reviews | Chewy

The 10 Best Filter Cartridges for Saltwater Aquariums

According to Customer Reviews

Looking for the best filter cartridges for saltwater aquarium? These are today’s best-selling and top-rated filter cartridges for saltwater aquariums that Chewy pet parents, like you, love. We update this list every day, so you can be sure you’re getting the timeliest product recommendations available.

Tetra Whisper Bio-Bags Medium Filter Cartridge, 3 count

Rated 4.4767 out of 5 stars
86
$3.89Chewy Price
More options available

Is this right for my pet?

Material
Synthetic Fabric, Mesh
Aquarium Type
Saltwater, Freshwater
Fish Type
Marine Fish, Tropical Freshwater
From customer reviews
“Best. Service ever. The chewy.com family has the best customer service ever !!! I love my fish tank and my filters refills ... A one service thank u guys so much”
By Mange on Jul 29, 2017
“Easy to use. fits perfect, easy to change, keeps the tank looking clean”
By Patti on May 31, 2022
“Good product & price. My first one that came with the filter got absolutely disgusting. I found these at the best possible price including shipping fees. I love ordering from chewy! These are so overpriced at pet stores near me it isn't worth going to pick them up.”
By Bunny on Apr 12, 2021

Marineland Bio-Wheel Emperor Rite-Size E Filter Cartridge, 4 count

Rated 4.7794 out of 5 stars
68
$9.59Chewy Price
More options available

Is this right for my pet?

Material
Plastic, Polyurethane
Aquarium Type
Saltwater, Freshwater
Fish Type
Marine Fish, Tropical Freshwater
From customer reviews
“Great Price. If you've ever bought these in a store, you know how good a price this is !”
By Paul on Jul 17, 2020
“Perfect. So much cheaper than my local stores. We love chewy. Perfect for our saltwater tank”
By Rachael on Jul 6, 2017
“Sparkling clear water. Keep my aquarium crystal clear and my fish healthy”
By ConcernedinGa on Sep 2, 2021

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

Rated 4.6897 out of 5 stars
29
$9.67Chewy Price
More options available

Is this right for my pet?

Material
Foam
Aquarium Type
Saltwater, Freshwater
Fish Type
Betta, Cichlid, Goldfish, Marine Fish...
From customer reviews
“great price. I have used these filters for years. So glad that chewy has them at a great price.”
By Sweetpea on Nov 9, 2022
“filter cartridge. easy to assemble and super easy to use good value for the price”
By linpro112 on Feb 1, 2023
“Excellent products and availability. It was a seemless transaction delivery was timely and prices were great.”
By Olrat on Feb 13, 2019

Is this right for my pet?

Material
Synthetic Fabric, Mesh
Aquarium Type
Saltwater, Freshwater
Fish Type
Betta, Bottom Feeder, Cichlid, Goldfish...

AquaClear Quick Filter Replacement Cartridge for A-575 Powerhead Attachment, 2 Count

Rated 5 out of 5 stars
4
$4.65Chewy Price
More options available

Is this right for my pet?

Material
Synthetic Fabric, Polyester
Aquarium Type
Saltwater, Freshwater
Fish Type
Marine Fish, Tropical Freshwater
From customer reviews
“I'll be back ! Let's just say I'll be a returning customer. As promised my order arrived the next day and in good condition and exactly as I ordered.”
By Granny on Jun 9, 2020

AquaClear Activated Carbon Filter Insert, Size 50, 3 count

Rated 5 out of 5 stars
2
$5.29Chewy Price

Is this right for my pet?

Material
Synthetic Fabric, Mesh
Aquarium Type
Saltwater, Freshwater
Fish Type
Marine Fish, Tropical Freshwater

Underwater Treasures Seapora Filter Floss, 10-sq ft

Rated 5 out of 5 stars
2
$9.99Chewy Price
More options available

Is this right for my pet?

Aquarium Type
Freshwater
Fish Type
Marine Fish, Tropical Freshwater

Fluval G3 Chemical Filter Cartridge

Rated 5 out of 5 stars
1
$12.99Chewy Price

Is this right for my pet?

Material
Plastic
Aquarium Type
Saltwater, Freshwater
Fish Type
Marine Fish, Tropical Freshwater

Fluval G6 Phosphate Adsorbing Filter Cartridge

Rated 5 out of 5 stars
1
$17.14Chewy Price

Is this right for my pet?

Material
Plastic
Aquarium Type
Saltwater, Freshwater
Fish Type
Marine Fish, Tropical Freshwater

Fluval G6 Mechanical Pre-Filter Cartridge

Rated 5 out of 5 stars
1
$29.58Chewy Price

Is this right for my pet?

Material
Plastic
Aquarium Type
Saltwater, Freshwater
Fish Type
Marine Fish, Tropical Freshwater