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.


Penn Plax Cascade 1000 Canister Aquarium Filter for up to 100 gallons CCF3UL
Penn Plax Cascade 1000 Canister Aquarium Filter for up to 100 gallons CCF3UL
$143.36
Time Remaining: 6d 11h 59m
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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
$45.63
Time Remaining: 5d 2h 37m
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Aquarium Internal Filter 3 in 1 Multi Function Pump 20 Gallon Water Pump 80 GPH
Aquarium Internal Filter 3 in 1 Multi Function Pump 20 Gallon Water Pump 80 GPH
$7.45
Time Remaining: 4d 7h 19m
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3 Stage Fresh Salt 265GPH External Fish Canister Filter Aquarium Pond Tank Pump
3 Stage Fresh Salt 265GPH External Fish Canister Filter Aquarium Pond Tank Pump
$45.60
Time Remaining: 14d 1h 22m
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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
$72.63
Time Remaining: 26d 1h 20m
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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
$75.23
Time Remaining: 14d 2h 23m
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3 Stage External Canister Filter 265 GPH Fresh Salt 100 GAL Aquarium FREE MEDIA
3 Stage External Canister Filter 265 GPH Fresh Salt 100 GAL Aquarium FREE MEDIA
$41.65
Time Remaining: 17d 6h 36m
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200 Gallon Aquarium Canister Filter UV 9w UV Sterilizer Fish Tank HW 304 525GPH
200 Gallon Aquarium Canister Filter UV 9w UV Sterilizer Fish Tank HW 304 525GPH
$65.66
Time Remaining: 6d 19h 20m
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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
$40.25
Time Remaining: 2d 2h 16m
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Internal Fish Tank Aquarium Whisper Power Filters 10 gallon Bio Cartridges Scrub
Internal Fish Tank Aquarium Whisper Power Filters 10 gallon Bio Cartridges Scrub
$13.14
Time Remaining: 3d 21h 30m
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66 lbs Premier Bio Ceramic Rings Media for Aquarium Fish Pond Canister Filter
66 lbs Premier Bio Ceramic Rings Media for Aquarium Fish Pond Canister Filter
$13.41
Time Remaining: 2d 3h 21m
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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
$55.55
Time Remaining: 28d 1h 9m
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Marineland Penguin Power Aquarium Filter 10 to 20 Gallon 100 GPH Fish Tank
Marineland Penguin Power Aquarium Filter 10 to 20 Gallon 100 GPH Fish Tank
$13.12
Time Remaining: 25d 16h 41m
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Clean 100 Surface Skimmer Aquarium Filter 450 L Pump Plant Freswater Marine Oil
Clean 100 Surface Skimmer Aquarium Filter 450 L Pump Plant Freswater Marine Oil
$11.93
Time Remaining: 16d 20h 8m
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Marineland Penguin Aquarium Power Filter 350B Good for Tanks up to 75 gallon
Marineland Penguin Aquarium Power Filter 350B Good for Tanks up to 75 gallon
$28.76
Time Remaining: 1d 11h
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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.


Filter Media Ceramic Biological Rings Aquarium Fish Tank Pond
Filter Media Ceramic Biological Rings Aquarium Fish Tank Pond
$4.98
Time Remaining: 18d 8h 27m
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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: 18d 18h 4m
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Deep Blue Sponge Filter 50 Up to 125 gal Air Lift Filter Biological Filtration
Deep Blue Sponge Filter 50 Up to 125 gal Air Lift Filter Biological Filtration
$12.51
Time Remaining: 25d 4h 9m
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2 4 5cm 50x50 Biological Cotton Filter Foam Pond Aquarium Fish Tank Sponge Pad
2 4 5cm 50x50 Biological Cotton Filter Foam Pond Aquarium Fish Tank Sponge Pad
$5.35
Time Remaining: 15d 7h 45m
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50 PCS 16mm Biological Sponge Fish Tank Filter Aquarium Bio Balls Media Wet Dry
50 PCS 16mm Biological Sponge Fish Tank Filter Aquarium Bio Balls Media Wet Dry
$1.77
Time Remaining: 9d 7h 38m
Buy It Now for only: $1.77
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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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