Aquarium Filters

Aquarium filters are available in a variety of different sizes, types, and shapes, but all of them perform have essentially the same purpose: to circulate water via some type of cleansing or straining medium at a rate which allows the water to be kept clean both biologically and physically. Filters may be classified as ‘outside’, ‘inside’, and sub gravel, based upon the location around the aquarium; however, location is not nearly as critical as the manner by which it operates.


Aquarium 3 Stage External Canister Filter 265 GPH for Fresh Salt Water 75 Gal
Aquarium 3 Stage External Canister Filter 265 GPH for Fresh Salt Water 75 Gal
$45.89
Time Remaining: 29d 36m
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30 Gallon Power Filter Aqueon QuietFlow 250 GPH Fish Tank Aquarium Clean Water
30 Gallon Power Filter Aqueon QuietFlow 250 GPH Fish Tank Aquarium Clean Water
$24.50
Time Remaining: 6d 13h 39m
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200 Gallon Aquarium Canister Filter UV 9w UV Sterilizer Fish Tank SUNSUN HW 304B
200 Gallon Aquarium Canister Filter UV 9w UV Sterilizer Fish Tank SUNSUN HW 304B
$92.99
Time Remaining: 22d 23h 41m
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100 Gallon Aquarium Fish Tank Canister Filter + 9W UV Sterilizer 370 GPH HW 303B
100 Gallon Aquarium Fish Tank Canister Filter + 9W UV Sterilizer 370 GPH HW 303B
$55.97
Time Remaining: 24d 23h 30m
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Blue Ocean PP 75 Protein Skimmer HOB Aquarium Filter Pump Marine Coral Reef
Blue Ocean PP 75 Protein Skimmer HOB Aquarium Filter Pump Marine Coral Reef
$69.95
Time Remaining: 15d 3h
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30 GALLON Power Filter 200 GPH Aqueon QuietFlow Fish Tank Aquarium Clean Water
30 GALLON Power Filter 200 GPH Aqueon QuietFlow Fish Tank Aquarium Clean Water
$22.99
Time Remaining: 22d 13h 49m
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200 Gallon External Aquarium Filter UV 9w with builtin pump kit CANISTER HW 304B
200 Gallon External Aquarium Filter UV 9w with builtin pump kit CANISTER HW 304B
$76.88
Time Remaining: 25d 6h 15m
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100 Gal Aquarium Fish Tank Canister Filter + 9W UV Sterilizer 370 GPH FREE MEDIA
100 Gal Aquarium Fish Tank Canister Filter + 9W UV Sterilizer 370 GPH FREE MEDIA
$62.55
Time Remaining: 22d 4h 25m
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Aquarium Canister Filter 525 GPH 9W UV Sterilizer SUNSUN HW 304B 200G FREE MEDIA
Aquarium Canister Filter 525 GPH 9W UV Sterilizer SUNSUN HW 304B 200G FREE MEDIA
$92.97
Time Remaining: 11d 43m
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New 3 Stage External Aquarium Canister Filter 265GPH 75Gal with Built in Pump
New 3 Stage External Aquarium Canister Filter 265GPH 75Gal with Built in Pump
$45.87
Time Remaining: 2d 58m
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200 Gallon Aquarium Fish Tank External Canister Filter UV 9w Sterilizer 3 Stage
200 Gallon Aquarium Fish Tank External Canister Filter UV 9w Sterilizer 3 Stage
$41.98
Time Remaining: 16d 2h 15m
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3 STAGE 75 GAL CANISTER FILTER + 9W UV STERILIZER FRESH SALT AQUARIUM FREE MEDIA
3 STAGE 75 GAL CANISTER FILTER + 9W UV STERILIZER FRESH SALT AQUARIUM FREE MEDIA
$50.20
Time Remaining: 27d 5h 29m
Buy It Now for only: $50.20
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SUNSUN HW 404B 5 STAGE AQUARIUM EXTERNAL CANISTER FILTER w 9W UV STERILIZER 525G
SUNSUN HW 404B 5 STAGE AQUARIUM EXTERNAL CANISTER FILTER w 9W UV STERILIZER 525G
$82.88
Time Remaining: 28d 23h 32m
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100 Gallon Aquarium Fish Tank Canister Filter + 9W UV Sterilizer 370 GPH
100 Gallon Aquarium Fish Tank Canister Filter + 9W UV Sterilizer 370 GPH
$55.99
Time Remaining: 19d 1h 15m
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100 Gallon 370 GPH Aquarium Fish Tank Canister Filter + 9W UV Sterilizer
100 Gallon 370 GPH Aquarium Fish Tank Canister Filter + 9W UV Sterilizer
$56.38
Time Remaining: 27d 5h 36m
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The three main classifications are chemical, mechanical, and biological. Chemical filtration, as its name suggests, will take out toxins as well as other chemically induced material from the aquarium system by use of activated carbon. It is vital to change activated carbon on a regular basis in order to maintain a safe community.

Mechanical Filtration: will take out any unwanted material from the water via straining and/or via use of absorbent materials. This process helps greatly to maintain the water’s clarity. Biological Filtration: Different from mechanical filtration processes, biological filtration integrates bacteria and some other microorganisms which convert the fish waste into less toxic elements by way of a process called cycling.

A biological filter converts the toxic fish waste ammonia into Nitrite, and then into nitrate, which is a relatively harmless element. Cycling thus reduces the necessary maintenance in the aquarium.


HYDRO SPONGE FILTER V HS950 125GAL aquariummechanical biological filtration
HYDRO SPONGE FILTER V HS950 125GAL aquariummechanical biological filtration
$14.30
Time Remaining: 19d 20h 2m
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1 Bag of 05 LB BioGlass biological filter media for Aquarium SHIP FROM USA
1 Bag of 05 LB BioGlass biological filter media for Aquarium SHIP FROM USA
$5.49
Time Remaining: 15d 16h 24m
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Aquaclear 70 Filter Insert Biomax Aquarium Biological Media Gallon
Aquaclear 70 Filter Insert Biomax Aquarium Biological Media Gallon
$12.27
Time Remaining: 13d 15h 17m
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Biological Cartridge Holder for Aqueon Quiet Flow 55 75 Aquarium Filter
Biological Cartridge Holder for Aqueon Quiet Flow 55 75 Aquarium Filter
$8.99
Time Remaining: 24d 18h 46m
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1 Bag of over 1 LB BioGlass biological filter media for Aquarium SHIP FROM USA
1 Bag of over 1 LB BioGlass biological filter media for Aquarium SHIP FROM USA
$7.99
Time Remaining: 15d 16h 24m
Buy It Now for only: $7.99
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Mechanical Filtration: This process helps to eliminate any unwanted materials from the water via straining and /or use of some absorbent materials. In doing so, it also serves to maintain the clarity of the water. How Poisonous Elements in an Aquarium May Kill Fish Aquarium water can become hazardous to the fish if it gets over-saturated, which results from nitrogen cycle in its water.

In this brief article, we’ll take a look at the causes and some simple methods by which we may be able to limit the continuous deaths of aquarium fish. As all of us know, atmospheric air consists of roughly 23% oxygen and 76% nitrogen, along with many other gases in quite small quantities. Thus, it is logical that if we put on the airflow system of an aquarium, the air that is pumped in has a great deal of nitrogen but just a little oxygen. This atmospheric nitrogen can be deadly to the fish if the water gets over-saturated (over 100%) with it. Studies have also proven that nitrogen embolism, also called NITROGEN GAS BUBBLE DISEASE, will occur with 103-118% nitrogen saturation, causing a great number of fish deaths.

This condition will affect aquarium fish if one is replacing old aquarium water with slightly warm fresh water. The signs of the infection are the presence of small bubbles of nitrogen under the skin in the tail, mouth, and fins, behind the eyes, and also in the blood vessels. By spending some time aerating the water to be introduced, we can prevent this disease because we can first clear out any excess nitrogen. Any affected fish must be put in a little bucket of water into which has been passed an air stone device which will properly aerate this water. The fish is then likely to recover spontaneously if the aquarist will take the immediate and remedial action.

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