big external filter on a small tank?
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Old 05-01-2013, 05:03 AM   #1
Vermino
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big external filter on a small tank?


I have a 6 gallon tank and looking to upgrade to an external filter. 1) to get rid of the ugly HOB 2) to be able to really be able to adjust my flow preciously 3) HOB makes me have to put my ADA light on either side of it 4) it seems like my circulation isn't "ideal" but that's me being a perfectionist 5) able to add a tad more bio-load to the tank

Anyways, I've been looking at Eheim Ultra 2071 for scaling purposes (might get a 20 gallon sooner or later). Could having such a big external filter hurt in anyway to a small tank?

I personally can only see one flaw which is maybe too much flow-rate and I can't adjust it but I've heard most canisters can from the inlet tube.

Last edited by Vermino; 05-01-2013 at 07:56 AM.. Reason: ID the wrong canister
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Old 05-01-2013, 06:21 AM   #2
steven p
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I don't think you want to restrict the intake on a canister. The outflow is where you see most of the valves.

If you feel crafty, you could create your own spray system.
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Old 05-01-2013, 07:16 AM   #3
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Default Re: big external filter on a small tank?

Don't know 207 but I thought all Eheims have adjustable flow?

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Old 05-01-2013, 07:31 AM   #4
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Quote:
Originally Posted by steven p View Post
I don't think you want to restrict the intake on a canister. The outflow is where you see most of the valves.

If you feel crafty, you could create your own spray system.
+1 don't restrict flow on the intake. Outflow is where you want to restrict flow if you do.
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Old 05-01-2013, 07:35 AM   #5
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Quote:
Originally Posted by OVT View Post
Don't know 207 but I thought all Eheims have adjustable flow?

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AFAIK, all the new Eheim classics come with quick disconnects which you can use to adjust flow. I'm not sure if the other Eheims have it.
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Old 05-01-2013, 07:50 AM   #6
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my bad - i got the two mixed up (meant outflow). Yes, I do believe 2071's have a quick release which means you can adjust their flow.

Anyways, is there any problems with having a huge canister like this with a small tank? I just want to make sure I'm not overlooking something like having 5 inch wheels on a monster truck or something haha

Last edited by Vermino; 05-01-2013 at 07:56 AM.. Reason: ID the wrong canister
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Old 05-01-2013, 07:53 AM   #7
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Nothing wrong with a larger filter on a small tank. The only problem would be flow, but you can adjust it. If anything, it would be beneficial for you with the increased bio filtration.
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Old 05-01-2013, 07:55 AM   #8
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Quote:
Originally Posted by mistahoo View Post
Nothing wrong with a larger filter on a small tank. The only problem would be flow, but you can adjust it. If anything, it would be beneficial for you with the increased bio filtration.
just making sure =) thank you
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Old 05-10-2013, 01:04 AM   #9
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OMG - I just got my 2073 and there is such a HUGE range on flowrate from the quick-release valve. This could be used on a 1 gallon if it wanted to. I just figured buying something this big would be picking from a hurricane mode or a tornado mode with my small 5 gallon.

This is just future reference for other people looking to buy a big external filter on a small tank.
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