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Imagitarium 2 Pack Filter Cartridges V.1

$4.99 was $7.99
Marineland Penguin Rite-Size Ready-To-Use Filter Cartridges
(36)

$6.49
$6.89 was $21.99
Imagitarium 2-Pack Filter Sponges
Imagitarium Activated Carbon Pellet
More options available
$7.09 was $15.99
Imagitarium Filter Pad
(1)

$3.09 was $6.99
Imagitarium Carbon Filter Replacement Cartridge 3-Pack
$3.29
$3.49 was $4.99
Fluval Spec Biomax Filter Media
(2)

$2.84
$2.99 was $3.99
Aqueon Replacement Filter Cartridges, Large
More options available
(1)

$9.99
$9.99 was $12.99
Aqueon QuietFlow 10 Aquarium Power Filter
(10)

$12.99 was $16.99
Hagen Marina 360 Replacement Filter Cartridge
Aqueon QuietFlow 55/75 Aquarium Power Filter
(12)

$36.99 was $49.99
Tetra Replacement Carbon Filters for EX30, EX45, and EX70 Filtration Systems
More options available
(1)

$11.99
$12.59 was $15.99
Tetra Whisper Bio-Bag Disposable Filter Cartridges, Small

$3.29
$3.39 was $4.99
Tetra Whisper Bio-Bag Disposable Filter Cartridges, Medium
$12.69
$13.29 was $17.99
Aqueon QuietFlow 30 Aquarium Power Filter
(3)

$22.99 was $29.99
Fluval Carbon Replacement Packs
(1)

$4.06
$4.27 was $10.99
Aqueon Replacement Filter Cartridges, Medium
More options available
(2)

$7.99
$8.29 was $10.99
Boyd Chemi-pure Elite
(3)

$8.49 was $12.99
Aqueon QuietFlow Internal Replacement Filter Cartridges
More options available
(1)

$9.59 was $12.99
Fluval Spec Carbon Replacement Packs
(2)

$3.99
$3.99
Aqueon QuietFlow 40 Internal Power Filter
Fluval Biomax Filter Media
(5)

$7.77
$8.18 was $15.99
Aqueon MiniBow Replacement Filter Cartridges
More options available
(12)

$12.99
$12.99 was $16.99
Aqueon QuietFlow 20 Aquarium Power Filter
(3)

$18.99 was $24.99

Aquarium Filters, Fish Tank Filters, and Aquarium Water Filters for Good Water Quality

Preserve the beauty of your tank and promote the health and happiness of your fish today with the best fish tank filters available at Petco. Ensuring the health and vitality of your pet fish, live plants and other marine invertebrates means maintaining good water quality. Without a filtration system, the ammonia and waste produced by your fish will build up and become toxic and even poisonous. Various types of aquarium filters help to remove wastes, excess food and any decaying matter from the water. By converting fish waste and ammonia into a relatively less harmful substance-nitrate, biological aquarium water filters are a must for all aquariums. In addition to maintaining the health and well-being of your fish, aquarium filters also help to keep your water clear.

From under-gravel and canister filters to external and internal filters, there are various kinds of aquarium filters available for you to choose from. It is important to select a filtration system that will work with the size of your tank, otherwise it may be ineffective. Of the many options available, it's also important to learn which types are recommended for fish that naturally produce more wastes, such as many species of Goldfish. While most under-gravel aquarium water filters are easy to use, some may require more maintenance than most other power filters. Meanwhile, many aquarists prefer hang-on-tank power fish tank filters as they are relatively easy to use and require simple routine maintenance.

Most canister aquarium filters are recommended for larger tanks housing many fish as they typically last longer between routine cleanings than most hang-on-the-tank fish tank filters. When it comes to selecting your filtration system, be sure to keep your tank size in mind, along with the types of fish you will house as well as your personal preference in routine filter cleaning and maintenance as not all aquarium water filters work the same. Equipping your tank with a sufficient filtration system will lead to better water quality, which makes for happy, healthy and stress-free fish!