What size of filter to get? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 16 Old 11-22-2009, 02:00 PM Thread Starter
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What size of filter to get?

I cheaped out when I got my filter, an Aqueon 20 (supposedly for tanks up to 30 gallons) and it's not doing anything other than aerating. I would like to get an AquaClear, as they seem to have a good reputation. What model would you reccomend? (I have a 20 gallon freshwater.)
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post #2 of 16 Old 11-22-2009, 05:36 PM
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I would get the Aquaclear 30 (rated for 30 gallon tank).

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post #3 of 16 Old 11-23-2009, 11:30 AM
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Yeah definietely an AC 30... with the AC20,

a) You are running it at maximum capacity and won't be able to overfilter your tank.
b) A lot of AC 20s come with bum motors that are lopsided where the impeller sits and are resultantly noisy.
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post #4 of 16 Old 11-23-2009, 11:16 PM Thread Starter
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Thanks for the help!
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post #5 of 16 Old 12-01-2009, 04:28 PM
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Since you're having a 20g tank, had you considered a sponge filter at all, that would be very sufficient and less nosy, such as these http://www.drsfostersmith.com/produc...fm?pcatid=3940
Or something like a internal filter, I have this one and LOVE it zip sounds at all and does a great job Cascade Internal Filters | Pet Solutions

Your LFS will carry that stuff too to avoid shipping cost.

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post #6 of 16 Old 12-01-2009, 04:36 PM
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just check petco or petsmart both have this filter i have the aquaclear 70 for my 55 gallon tank
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post #7 of 16 Old 12-06-2009, 10:20 AM
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The most important thing about the filter is that it be suitable for the aquarium in terms of the inhabitants.

In a planted tank, you do not want excessive water movement which is detrimental to plant growth (as I've explained in other threads). You also need to consider the needs of the fish; forest fish require quiet water, as little movement as possible for most of them. Fish from flowing streams need a bit of current to feel safe and be less stressed. Then there is the matter of bio load; the filter must handle the fish load, and this is more critical in non-planted tanks where there are no plants to filter the water.

The filter recommended for a particular size tank is not the important criteria if the way the filter works does not suit the fish.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]

Last edited by Byron; 12-06-2009 at 10:26 AM.
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post #8 of 16 Old 12-06-2009, 10:48 AM Thread Starter
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I've got my Aqueon 20 in my tank currently, but it's not doing the job. Would you reccomend getting a secondary internal filter?
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post #9 of 16 Old 12-06-2009, 11:29 AM
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Can yoube a bit more specific as to how it's not doing the job? From the photo it seems to be moving the water a lot, but you don't have live plants and aside from the gourami that prefers things quiet the other fish are probably OK with water movement. B.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #10 of 16 Old 12-06-2009, 01:03 PM Thread Starter
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I have to do a water change every week to keep the ammonia and nitrites down. If another filter isn't the answer, what could I add to the filter to keep the water cleaner? (The filter is very good from an oxidization and flow standpoint- the fish don't seem to mind the current.)
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