HOB Replacement - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 04-28-2019, 08:11 AM Thread Starter
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HOB Replacement

I just got the Nicrew ClassicLED for my 20L and I'm loving it b/c my plants are no longer dying. HOWEVER I've now run into a space issue with this new led and my current Marieland Penguin 150 filter. I cant hang it on the back b/c the back portion of my aquarium is underneath a cabinet so right now its hanging on the front. NO WAY in hell am I going to keep in this way.

So I was looking at either internal filter or sponge filter. If I choose sponge filter would I be able to connect it to a submersible powerhead or do I have to use an air pump? I really dont want to do air pumps b/c of the added noise they produce. My bio load is small enough to where I dont mind the space that a sponge filter or internal filter would take up.
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post #2 of 8 (permalink) Old 04-28-2019, 03:45 PM
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You'll need an air pump. Some of them are pretty quiet - you may get more noise from air bubbles coming out of the sponge filter. Also, if your tank is not covered, these bubbles "exploding" on the water surface will micro spray your light. Internal filter (or canister) will be quieter, probably more so than your HOB.
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post #3 of 8 (permalink) Old 04-28-2019, 07:32 PM
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Quote:
Originally Posted by SogggyF View Post
So I was looking at either internal filter or sponge filter. If I choose sponge filter would I be able to connect it to a submersible powerhead or do I have to use an air pump? I really dont want to do air pumps b/c of the added noise they produce. My bio load is small enough to where I dont mind the space that a sponge filter or internal filter would take up.
One of my tanks has a sponge filter running on a Tetra Whisper pump. It's pretty quiet, even more so since I rested it on a folded dish towel. I hardly hear it.

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post #4 of 8 (permalink) Old 05-02-2019, 12:52 AM Thread Starter
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One of my tanks has a sponge filter running on a Tetra Whisper pump. It's pretty quiet, even more so since I rested it on a folded dish towel. I hardly hear it.
Ok good to know the noise can be somewhat subdue. Thanks

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Originally Posted by irishspy View Post
One of my tanks has a sponge filter running on a Tetra Whisper pump. It's pretty quiet, even more so since I rested it on a folded dish towel. I hardly hear it.
Ok good to know the noise can be somewhat subdue. Thanks
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post #5 of 8 (permalink) Old 05-03-2019, 02:18 AM
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I never really found an air pump which I considered quiet enough, so often do go with a pump of some sort connected to the sponge. Keep in mind that there is often a lot of confusion about the purpose of the air from air pumps used with undergravel or sponge filters. They are there more for lifting the water around the bubbles and less to get O2 into the water, so when we want to move water through sponge, power actually does move far more water than air bubbles.
I find the main question to be more one of matching the mump in/out fittings and the size to the sponge and pore size. Too much flow/pulling too much debris and we can wind up needing to clean off the sponge way too often. Matching the pore size on the sponge can do lots to change how often they clog but I find the replacement sponges meant for Aquaclear seem to have it down to perfect well enough for me to pay extra for them.
About as simple as one can get is a powerhead fit to the neck of a soda bottle full of filter floss or sponge. Not the nicest appearance but it works pretty good when I hide it behind a rock or wood!
A search for DIY sponge filters might give a jump start for design ideas? Moving the water with a pump is the way I would go. If we look at a canister filter, the only difference is that the media is contained outside, rather than inside the tank.
Perhaps, some the small Sunsun canisters would also be an option? They do cut the clutter inside the tank and are pretty reasonable in price.
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post #6 of 8 (permalink) Old 05-03-2019, 01:59 PM
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Don't run a powerhead on sponge filter. It will get clogged up and compacted at no time. Sponge filter is best operated with low flow air pump as it is intent for biological filtration only. If you want mechanical filtration, you need to get an internal filter. There are many internal filter in the market that is quiet, compact and not eye souring as DIY soda bottle filter. You should look for one with secured attachment to the rim with hang on or magnetic device. The suction cup type is an annoyance as it comes off easily with age.
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post #7 of 8 (permalink) Old 05-08-2019, 03:49 PM
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I can't stand the sound of air pumps either.
For your particular situation, an in-tank power filter along these lines might be worth considering for a small bioload.
Not a whole lot of leeway for a reusable custom media setup but I think there's still room for creativity.

https://www.amazon.com/Whisper-Tank-...37&sr=8-2&th=1
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post #8 of 8 (permalink) Old 05-08-2019, 04:14 PM
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Sorry wrong thread.

Last edited by Quint; 05-08-2019 at 04:27 PM. Reason: Responded to wrong thread.
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