Aquarium Filters
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Aquarium Filters | Fish Tank Filters | Tropical Aquariums

 
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A great selection of aquarium filters to keep your tropical aquariums in tip top condition and your aquarium water crystal clear!  Unbeatable deals on fish tank filters!

There are two types of aquarium filter: internal and external. Internal aquarium filters are affixed to the back or side of the aquarium, and is ideal for the smaller fish tank.  They are inexpensive and very simple both to install and maintain.  Aquarium water is drawn into the filter, and passed through the filter media. 

Media may be sponge, ceramic noodles or carbon, and is often interchangeable.  Dirt and debris is trapped in the media and purified water is pumped back into the fish tank.  Whilst regular maintenance and cleansing of the aquarium filter media is essential, it is important to note that filter media should not all be replaced in one go.  Beneficial bacteria build up on these 'beds' and it is imperative that some of these are kept back to deal with the nitrogen cycle.

The external aquarium filter is ideal for the mid to large sized aquarium.  The advantage of external aquarium filters is that they are kept outside of the tropical fish tank.  They therefore do not take up precious aquarium space and are much more discreet, quietly tucked away in the aquarium cabinet. 

As external filters are not on show this means they can be bigger, which really does equal better!  They are easy to install and require less maintenance than the internal filter.  Typically, we would expect to clean media in the external filter once a month, as opposed to once a fortnight with the internal filter.

Please scroll down to check out our great range of internal and external aquarium filters and media for tropical fish tanks.  Scroll down to view our showcase of items available on eBay today and check out the amazing deals on offer.  Be sure to bookmark us, as our aquarium filter stocklist is updated day by day.

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
   $65.79
BioMaxx Nano Hang-On Aquarium Filter for Desktop/Betta/Small Fish Tanks
BioMaxx Nano Hang-On Aquarium Filter for Desktop/Betta/Small Fish Tanks
   $16.97
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
   $87.88
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
   $74.85
16PCS Aquarium Filter Pads for SUNSUN/PERFECT/GRECH/Super HW-302 Canister
16PCS Aquarium Filter Pads for SUNSUN/PERFECT/GRECH/Super HW-302 Canister
   $10.88
Aquarium Filter Pad for SUNSUN/PERFECT/GRECH/SUPER HW-304B/404B Canister CF-500
Aquarium Filter Pad for SUNSUN/PERFECT/GRECH/SUPER HW-304B/404B Canister CF-500
   $5.77
Aquarium Sponge Filter Pads Media for SUNSUN/PERFECT/GRECH/Super Canister Filter
Aquarium Sponge Filter Pads Media for SUNSUN/PERFECT/GRECH/Super Canister Filter
   $4.57
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.
   $12.73
Aquarium Technology - Filter-Max III Prefilter - Aquarium/Fish Tank Filter
Aquarium Technology - Filter-Max III Prefilter - Aquarium/Fish Tank Filter
   $12.63
Hang On 50 Gallon Aquarium Power Water Filter System Fish Tank Waterfall Kit Set
Hang On 50 Gallon Aquarium Power Water Filter System Fish Tank Waterfall Kit Set
   $35.31
Aquarium Pond Filter Pad 54
Aquarium Pond Filter Pad 54" x 12" x 3/4" Thick Bulk Cut & Fit Reef Fish Tank
   $6.99
HYDRO-SPONGE FILTER V HS950 (125GAL)- aquarium,mechanical, biological filtration
HYDRO-SPONGE FILTER V HS950 (125GAL)- aquarium,mechanical, biological filtration
   $11.47
Modular External Canister Filter Table Top Nano Aquarium Fish SUNSUN 602/603
Modular External Canister Filter Table Top Nano Aquarium Fish SUNSUN 602/603
   $20.78
GRECH HANG ON BACK AQUARIUM FILTER W/ 5W UV STERILIZER FOR 10-50 GAL FISH TANK
GRECH HANG ON BACK AQUARIUM FILTER W/ 5W UV STERILIZER FOR 10-50 GAL FISH TANK
   $42.99
Aquarium Fish Tank Filter Cartridges Tetra Whisper Disposable Assembled Bio-Bag
Aquarium Fish Tank Filter Cartridges Tetra Whisper Disposable Assembled Bio-Bag
   $5.97
CFS 130 Aquarium Canister Filter External HO Freshwater Plant 450L 30 40 Odyssea
CFS 130 Aquarium Canister Filter External HO Freshwater Plant 450L 30 40 Odyssea
   $34.95
Aquarium Solutions Bacto-Surge Sponge Filter  (Free Shipping)
Aquarium Solutions Bacto-Surge Sponge Filter (Free Shipping)
   $4.95
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