Sponge filters - The Planted Tank Forum
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post #1 of 5 (permalink) Old 06-13-2019, 09:16 PM Thread Starter
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Sponge filters

I see sometimes people out there that use sponge filters... Is this something you can use by yourself? Or just as like an add on filter? And if so, how good do they work? I'm assuming they would be pretty quiet?
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post #2 of 5 (permalink) Old 06-13-2019, 09:24 PM
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I use them in fry tanks and for shrimp. The filter itself is no louder than the bubbles it produces but the noise will usually come from the air pump -and those vary a lot. I don't find they move enough water to be my main filter in most tanks, but they have their purposes.

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post #3 of 5 (permalink) Old 06-14-2019, 12:03 AM
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I really like having a small sponge filter running in addition to my regular HOB so that I can quickly set up an emergency tank if needed. I figure it's good extra bacterial filtration in the main tank, but I still like having a regular HOB filter too.

I don't find the sponge filter noisy, but the air pump can be. I only have one cheap air pump, maybe there are quieter ones out there. I use a clip to adjust the pressure and that helps keep it quieter, but it's still louder than my regular filter.

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post #4 of 5 (permalink) Old 06-14-2019, 11:27 PM
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Aquarium Co-op uses them in all sizes of tanks and reports great success with them. He has done several videos on the topic explaining why he believes canister filters are bad for the hobby. In short, he says that sponge filters are 1/10th the price and do a good job and free up money for more important things like bigger tanks, quality food, lights, etc.

I haven't used air-based sponge filters, but I have used a couple of sponge-only water pump based filters. I found them to work well and maintenance was nice and easy.

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post #5 of 5 (permalink) Old 06-16-2019, 06:15 AM
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I’ve only used sponge filters for a while now. I have no issues with water.
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