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Calmwaters 08-12-2010 03:20 PM

Question about sponge filter for 55 gal planted....
As some of you know I set up a new to me 55 gallon tank this past weekend right now it has 2 HOB filters and I need to replace them with sponge filters because they would be better for my plants. I am looking at this one on ebay and am wondering 2 things. First has anyone used them before and second should I get 2 one for each side of the tank. If I should get 2 should I get slightly smaller ones or would two of this one be ok? I have never had a tank this long before which is why I think 2 may be better.

zof 08-12-2010 03:31 PM

The benifit of 2 will be you can alternate which one you wash with your weekly water changes, so you always have one you are not disturbing. Beyond that I've never used a sponge before, but the price seems a bit high.... for me anyways

Calmwaters 08-12-2010 06:46 PM

Thank you for your reply. I am also wondering if you guys think I will need two heaters one on each side. I just have never had one this long before (4ft) my 44 gallon is tall not long. ;-)

LisaC144 08-12-2010 06:50 PM

Have you considered a canister filter instead of two sponge filters? It won't take up any floor space and is perfect for a planted tank. Personally, on a 55g I would use two heaters, one on each end. This distributes the heater better and also allows them to work less which means a longer life.
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Calmwaters 08-12-2010 07:30 PM

I have never used a canister filter so I am not sure how they work. As for the heaters would you use 2 made for 55 gallons? Or would you go with something smaller?

zof 08-12-2010 09:16 PM


Originally Posted by Calmwaters (Post 445726)
As for the heaters would you use 2 made for 55 gallons? Or would you go with something smaller?

I would probably use at least the minimum ones recommended for a 55 gallon, that way if you have one fail and don't notice it for a while you can be sure the tank will stay up to temp until you can get a replacement, plus heaters are priced so they are with-in a few dollars of each other if not the same price, so you might as well get the one you know can do the job.

Calmwaters 08-12-2010 09:28 PM

Good points about if one goes out haveing the other as a back up. Thanks for the help you guys.

LisaC144 08-13-2010 08:36 AM

You're welcome. And do some research on canister filters. I was using the Eheim 2213 on my 55g. I recently upgraded to a 120g and now use a RENA XP3. Most everyone on this forum who has an Eheim raves about how wonderful and quiet they are, and I agree. RENA has proven good so far to me and is probably cheaper than an Eheim if cost is an issue.

Calmwaters 08-13-2010 07:02 PM

Thank you I will look into the canisters and see what I can find out. What I want to know is if they are outside the tank I am guessing there are tubes that go into the tank but do you just run the tubes up the back and into the tank? And do you put one tube for outgoing water on one side and incomeing water on the other?

LisaC144 08-13-2010 07:14 PM

Yes, you are exactly right. The canister sits under the tank in your stand. An intake tube and an outtake tube run from the canister and sit on opposite ends of the tank, attached with suction cups (included). And I always put one heater by the intake and one heater by the outtake. This ensures evenly distributed heat throughout the tank.

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