Hydor Professional 450 Canister Filter, 320 GPH
$234.99 $179.95
Fluval 206 External Canister Filters
$144.99 $119.99
Hawkeye Rapids Pro RP3 Wet Dry Aquarium Filter System

$299.99 $239.99
Fluval 406 External Canister Filters

$239.99 $199.99
Hydor Professional 600 Canister Filter, 345 GPH
$259.99 $198.95
Tetra Whisper EX45 Filtration System
$33.99 $23.79
Fluval 306 External Canister Filters

$209.99 $169.99
Supreme Pondmaster Garden Pond Filter Systems

$167.99 $142.79
Aqueon QuietFlow 10 Internal Power Filter
$27.99 $19.59
TetraPond Water Garden Pond Pump Cylinder Pre-Filter Replacement Pad

$4.99 $4.49
TetraPond Clear Choice Bio Filter Pads

$13.99 $12.59
Tetra Whisper PF10 Filtration System

$16.99 $11.89
Penn Plax Cascade 1000 Canister Filters

$129.99 $90.99
Petco Medium Power Filter Replacement Cartridges
$5.99 to $13.99 $4.19 to $9.79
More options available
TetraPond Waterfall Filter

$84.99 $76.49
Penn Plax Cascade 700 Canister Filters

$114.99 $80.49
Petco Power Filter 5 Replacement Filter Cartridges

$4.99 $3.49
Penn Plax Cascade 700/1000 Canister Filter Bio-Sponges
$9.99 $6.99
Aqueon QuietFlow 30 Internal Power Filter
$39.99 $27.99
Zoo Med Turtle Clean 511 Turtle Tank External Canister Filter

$89.99 $62.99
Penn Plax Cascade Canister Filter 500

$99.99 $69.99
Fluval Bio-Foam Inserts, for 104-106 & 204-206 Canister Filters
$9.99 $6.99
Aqueon QuietFlow 50 Aquarium Power Filter

$39.99 $27.99
Marineland Penguin 200 BIO-Wheel Power Filter
$37.99 $26.59


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

Ensuring the health and vitality of your pet fish, live plants and other marine invertebrates means maintaining good water quality through aquarium water filters. In addition to proper lighting, substrates, shelter and food, it is important that your tanks are equipped with sufficient fish tank filters. 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. Preserve the beauty of your tank and promote the health and happiness of your fish today with the best fish tank filters for your tank.

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 that you select a filtration system that will work with the size of your tank, otherwise it may be ineffective. Of the many aquarium filters available, it's also important for you to learn which types are recommended for certain species of fish that naturally produce more wastes, such as many species of Goldfish. While most under-gravel aquarium water filters are quite common, 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!