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Discussion Starter #1
I'm looking into switching to a sponge (or foam) filter.
My fishies can't stand the current caused by my (heavily baffled!) filters.

I'm not sure what brand is best?
Anyone use the one shown in the attachment..... ?

I have two ten gallon tanks with live plants, would a sponge filter be a good idea?
I wonder if having a sponge filter will affect the WC schedule?

Any info would be awesome, thanks!!
 

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I've never seen that kind of sponge filter before >.> but yeah, I've been working on making my own, and I came across this site which has a bit of info about sponge filters. It explains how they work, the pros and cons (not much) of having a sponge filter, it gives a bit of info on how to lessen the agitation in the water if its still too much, and so on and so forth. They also sell them in various sizes for various tanks, so you should be able to find one for your 10g. Although, I haven't really browsed around for prices, so you might wanna do that to see if you can get one for cheaper if you're wanting to save a little money... but usually sponge filters are cheap, so I don't think you'll have anything to worry about.

http://www.americanaquariumproducts.com/sponge_filtration.html
 

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Discussion Starter #3
Thanks for the link!

I think I'll be making the switch soon :)
 

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No prob! I'm glad to help ^.^
 

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The triangular filter there is good for about 3 inches of fish, so two of them would do fine in a stocked 5g tank. They're designed for fairly small tanks and to work right you need to be able to control the flow to very low rates, having one to two bubbles in the pipe at a time is perfect.

I have two small round Lee's sponges and they DO work well for single fish tanks.
 

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neat, I was considering a sponge filter myself because one of my poor guys started biting his fins. I think it was due to the stress of the filter (which is baffled, like yours), so I just turned it off for now. I don't want him to bite his pretty fins off!
 

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draug, that was a really nice article you posted. Thanks! That helps me understand sponge filters much better.
 

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draug, that was a really nice article you posted. Thanks! That helps me understand sponge filters much better.
Welcome ^.^ I know it helped me out alot.. One thing, though, if you need to slow the air flow of the filter, you might want to get a gang valve. That way there won't be any added pressure building up on the pump like those air valve control things the article talked about, and you'll still get the results you want.


http://www.petsmart.com/product/index.jsp?productId=11147137
 

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Have any of you looked into a drip system type thing for divided betta tanks? Could that work with a sponge filter or would it have to be another type?
 

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Oh, no sorry... I've yet to even buy this 5g I've been planning on getting for the past week or so.. I think the best information I had to offer were about the sponge filters >.>;;;
 

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Sponges are a great way to add aeration to small tanks. The little round Lee's filter is about the diameter of a 4 cup coffee pot and can be put under some gravel in one gallon bowls. While they're not powerful enough to circulate water on their own they work fine along with another filter which can be run for a few hours a day. If you get the small "professional" sponge it will run a 5 gallon on its own. I've had reliable fine filtration from these as well, the low flow-through makes them superior at polishing water.

For 5 gallon tanks I still advise either the Whisper3i with an intake sponge for single fish or an AquaClear 20 if you have fish+plants or several fish.
 
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