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.


3 STAGE 265 GPH AQUARIUM CANISTER FILTER + 9W UV STERILIZER FRESH SALT 75 Gallon
3 STAGE 265 GPH AQUARIUM CANISTER FILTER + 9W UV STERILIZER FRESH SALT 75 Gallon
$47.96
Time Remaining: 10d 2h 32m
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200 Gallon Filter Aquarium Tank Fish Canister 9 W Sterilizer 525 GPH Media
200 Gallon Filter Aquarium Tank Fish Canister 9 W Sterilizer 525 GPH Media
$65.66
Time Remaining: 4d 2h 8m
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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
$73.87
Time Remaining: 11d 19h 49m
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3 Stage External Canister Filter 265 GPH Fresh Salt 75 GAL Aquarium FREE MEDIA
3 Stage External Canister Filter 265 GPH Fresh Salt 75 GAL Aquarium FREE MEDIA
$52.99
Time Remaining: 4d 12h 44m
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525GPH FREE MEDIA 200 Gallon Aquarium Canister Filter UV 9w Sterilizer Fish Tank
525GPH FREE MEDIA 200 Gallon Aquarium Canister Filter UV 9w Sterilizer Fish Tank
$72.99
Time Remaining: 16d 3h 6m
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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
$13.25
Time Remaining: 14d 13h 34m
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Blue Ocean OF 600 Overflow Box Continuous Siphon Aquarium Hang On 125G
Blue Ocean OF 600 Overflow Box Continuous Siphon Aquarium Hang On 125G
$64.95
Time Remaining: 15d 22h 20m
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Brand New Genuine EHEIM Professional 4+ 350 External Canister Fi
Brand New Genuine EHEIM Professional 4+ 350 External Canister Fi
$159.95
Time Remaining: 23d 13h 50m
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Aqueon QuietFlow 50 Gallon Power Filter Fish Tank Aquarium Clean Water 250 GPH
Aqueon QuietFlow 50 Gallon Power Filter Fish Tank Aquarium Clean Water 250 GPH
$34.68
Time Remaining: 28d 8h 3m
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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
$68.88
Time Remaining: 26d 1h 20m
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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: 4d 12h 46m
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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
$13.74
Time Remaining: 29d 20h 46m
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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
$45.88
Time Remaining: 29d 19h 42m
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Aquarium Canister Filter 9W UV Sterilizer 525 GPH Fresh Salt 175Gal FREE MEDIA
Aquarium Canister Filter 9W UV Sterilizer 525 GPH Fresh Salt 175Gal FREE MEDIA
$73.49
Time Remaining: 4d 16h 20m
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AQUARIUM CANISTER FILTER 9W UV Sterilizer 525 GPH FRESH SALT WATER 200 Gallon
AQUARIUM CANISTER FILTER 9W UV Sterilizer 525 GPH FRESH SALT WATER 200 Gallon
$68.88
Time Remaining: 5d 18h 37m
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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.


AquaClear 50 Biomax Filter Insert Biological Stage 44 oz Aquarium Media A 1372
AquaClear 50 Biomax Filter Insert Biological Stage 44 oz Aquarium Media A 1372
$7.90
Time Remaining: 3d 10h 57m
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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: 16d 11h 30m
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Triple Flow Corner Filter Aquarium Fish Biological Mechanical Filtration System
Triple Flow Corner Filter Aquarium Fish Biological Mechanical Filtration System
$9.46
Time Remaining: 5d 5h 59m
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Biological Sponge Aquarium Filter Trickle External Upper Tank Rain Drop Clear
Biological Sponge Aquarium Filter Trickle External Upper Tank Rain Drop Clear
$66.99
Time Remaining: 10d 21h 50m
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HYDRO SPONGE FILTER V HS950 125GAL aquariummechanical biological filtration
HYDRO SPONGE FILTER V HS950 125GAL aquariummechanical biological filtration
$18.38
Time Remaining: 20d 15h 7m
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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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