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Internal Filters

Author Topic: Internal Filters  (Read 787 times)

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Offline TourinGolem

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Internal Filters
« on: May 30, 2019, 01:30:21 PM »
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So I'm getting ready to test my old aquarium 110L, but I'm calling is 100L for decorations etc, for leaks etc and need a new filter before I start getting ready to cycle the tank.

Eheim 160 - looks good but am not sure as it only has 1 form of filtration and no options for carbon etc if i need to medicate the tank at some point.

Fluval U2 - Looks good but seems quite difficult to run without the carbon as I would like to have an option of the finer sponge with out the carbon attached.

Any suggestions of others I should look at, or thoughts on these most welcome.

Thanks,
Carl.

Offline Sue

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Re: Internal Filters
« Reply #1 on: May 30, 2019, 02:12:28 PM »
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I have used Eheim filters for years and for this sized tank would recommend either an Eheim Aquaball 180 or an Eheim Biopower 160.

The Aquaballs have several baskets with sponge media and a small box just under the pump that can take a carbon sponge.
The Biopwers have a sponge in the bottom basket, substrat pro in the rest and a small sponge just under the pump. If necessary, one of the baskets could be used for carbon.


I use a very cheap small internal for carbon. I just remove the media that came with the filter and replace it with carbon granules in a mesh bag. This way I don't have to take out any of the proper media to use carbon. And there are a lot of small internals which have only carbon cartridge media; these type would work too, though the cartridges are more expensive to buy than a bag of carbon granules.

Offline fcmf

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Re: Internal Filters
« Reply #2 on: May 30, 2019, 07:41:50 PM »
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Fluval U2 - Looks good but seems quite difficult to run without the carbon as I would like to have an option of the finer sponge with out the carbon attached.
I have this filter which I used to run in a larger tank. There were two foam sponges and two carbon pads in it (plus some Biomax granules). I simply removed the carbon pads (and the Biomax granules) and ran the filter without them as the sponge automatically expanded to fill the space it had occupied, although it would be easy to squeeze extra sponge or filter wool into it if you wanted to, then remove these and put carbon in as required.


Offline Littlefish

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Re: Internal Filters
« Reply #3 on: June 08, 2019, 09:17:22 AM »
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I have used these https://www.fishkeeper.co.uk/aqua-range-aqua-internal-200-filter.
I would use a 200 rather than a 100, even in a 100L tank. There is carbon in the middle of the sponge, but I take that out and pop some ceramic media in.
If you get these don't change the cartridge (as suggested by the manufacturer). I have some that are just rinsed in old tank water and have been working well for >2 years.
Pros - these are cheap & cheerful, they work, and are easy to use & clean.
Cons - they are quite "square", and may not be the most aesthetically pleasing internal filter.

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