$30 off your $100 supplies order with promo code: extra30 - see offer details


Zoo Med Combo Pack Replacement Sponges

$5.99 $4.79
Fluval External Power Filter Media

$13.99 $11.89
TetraPond Water Garden Pond Pump Cylinder Pre-Filter Replacement Pad

$4.99 $4.24
Penn Plax Cascade 500 Canister Filter Bio-Sponges

$9.99 $8.49
TetraPond Pond Filtration Fountain Kits

$94.99 $80.74
Marineland Penguin 150 BIO-Wheel Power Filter

$32.99 $28.04
Marineland Penguin 350 BIO-Wheel Power Filter

$49.99 $42.49
Aqueon QuietFlow 30 Aquarium Power Filter

$29.99 $25.49
Tetra Whisper EX20 Filtration System

$24.99 $21.24
Penn Plax Cascade 1000 Canister Filters

$129.99 $110.49
Fluval 406 External Canister Filters

$239.99 $203.99
Supreme Pondmaster Garden Pond Filter Systems

$167.99 $151.19
Fluval 106 External Canister Filters

AquaClear 30 Aquarium Power Filter

$34.99 $32.99
API Canister Filter Rena Filstar xP1 for Freshwater and Saltwater Aquariums

$144.99 $123.24
Hawkeye Rapids Pro RP3 Wet Dry Aquarium Filter System

$299.99 $254.99
Marineland Emperor Filter Systems, 400B

$64.99 $55.24
Petco 10 Gallon Undergravel Filters

$10.99 $9.34
Petco Power Filter 5 Replacement Filter Cartridges

$4.99 $4.24
Marineland Penguin 100 BIO-Wheel Power Filter

$24.99 $21.24
Tetra Whisper PF10 Filtration System

$16.99 $14.44
Penn Plax Cascade 700 Canister Filters

$114.99 $97.74
Lifegard Aquatics Bonded Blue Filter Pad

$39.99 $33.99
TetraPond Water Garden Pond Pump Cylinder Pre-Filter

$12.49 $10.61


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!