filter for a 20 gallon, power or canister - Page 2 - The Planted Tank Forum
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post #16 of 23 (permalink) Old 10-18-2010, 01:21 AM
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just my 2 cents - I have a penguin and am changing over to an eheim. The impeller on the HOB unit is right at the bottom of the intake and so a lot of junk gets into the impeller. This makes it noisy. You can clean it and it does a pretty good job filtering but the noise is driving me crazy. I am running both together now to get the biologicals going in the eheim before I turn off the penguin.

other may have different experience with the pengiun but I wish I had gone to the canister first....
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post #17 of 23 (permalink) Old 10-18-2010, 10:52 AM
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I use an Eheim 2075 with my 20gal, although it might seem a bit over the top if you are aiming for a good planted tank you`ll be needing about 10x the turnover e.g. 200gal/hr. Mine does roughly 317gal/hr but don`t forget that manufacturers specs are over the top and never the true value as you have to take gravity, kit and filter media into consideration so my 1250ltr/hr rated filter is actually more like 800ltr/hr when it comes out of the filter.

I love my Eheims, silent, powerfull, flexible and most of all they have never leaked on me. I had a Fluval 405 once, it leaked, i bought an Eheim 2224 and never looked back. Since then i grabbed an Eheim 2078, 2075 and a 2028, all have been running with zero issues. Maintenance wise they are easy as the pre-filter is on the top so you just need to remove one basket and voila all done with no mess etc.

Hope that helps.
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post #18 of 23 (permalink) Old 10-18-2010, 07:53 PM Thread Starter
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was just looking around and saw the Hang On Tank Magnum Pro System Canister Filter
and was curious if anyone had any experience with this?
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post #19 of 23 (permalink) Old 10-18-2010, 08:11 PM
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Don't buy that. Ever. Ever. Ever.

I have gone through three, I hate them. They are loud, get air trapped in them and stop easily... I hate them as well as the regular magnum canister.

I am selling eheim ecco pro 200's right now if you want to buy one. It would be the perfect canister for this sized tank and comes with everything you need.

Please don't think I am biased because in am selling filters in swap and shop. Regardless of what you do, DONT get the h.o.t. Magnum!!! They are cheap crap.

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post #20 of 23 (permalink) Old 11-18-2010, 09:14 PM
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hey guys, sorry to thread jack, although since the thread has been dead for a month not sure if I need to apologize, I was wondering if a fluval 205 would work for a 20 gal tank or if that is majorly too much filtration. I want to use pressurized CO2 so I don't want to have too much filtration so that the CO2 levels aren't depleted too quickly. Also, I already have a 205 lying around, so unless I really need to, I wasn't going to buy another filter.
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post #21 of 23 (permalink) Old 10-19-2016, 03:46 PM
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Should I buy a 20 gallon aquarium filter or a 30 gallon one for my 20 gallon fish tank?. Some people even buy a 40 gallon filter for 20 gallon tank. I keep 5 yellow mollies and 2 placo in my tank. Thanks you.

Last edited by suppercat; 01-03-2018 at 05:33 AM. Reason: wrong
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post #22 of 23 (permalink) Old 10-19-2016, 04:20 PM
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I have a setup similar to yours: 20-long, heavily planted and 40lbs of eco-complete for the substrate. I use two Aquaclears (an AC 50 and an AC 20, what I had on hand**) and couldn't be happier. The AC 20 is sponge/sponge/biomedia, while the 50 is sponge/purigen/biomedia. Very easy to clean, and my water is crystal clear.

I haven't used canister filters yet (maybe on a 40b I'm planning), so I can't speak to them.

**(If starting from scratch, I'd probably have gone with two AC 30s, just for balance.)

Edit: Stupid of me. I saw only the month and date, didn't notice the year -- 2010. Sorry about that.

2x20-longs, one heavily planted. Platy rancher. They. Won't. Stop. Breeding.
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post #23 of 23 (permalink) Old 10-20-2016, 04:46 PM
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