diy filter - The Planted Tank Forum
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post #1 of 5 (permalink) Old 04-10-2015, 07:39 PM Thread Starter
Algae Grower
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diy filter

I have a small (2 gallon cube) shrimp tank and the original filter is not very good. I'm looking to possibly build a sponge type filter that is not too large but will still create enough flow and surface aggetation. Any ideas?
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post #2 of 5 (permalink) Old 04-10-2015, 11:23 PM
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I have a conventional 2.5g and I just use one of those single sponge air driven E-bay sponge filters...about $5 and $15 if you get a Whisper 10 filter at the same time.
I do use a gang valve on mine to cut down the flow by opening the unused valve.
If you don't have anything like an overload of fish in there no filter is actually necessary. But just an air stone turned way down with the valve like I use will be enough for a mild level of circulation.

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post #3 of 5 (permalink) Old 04-11-2015, 12:44 AM
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I also have a 2.5 g and use same little eBay sponge it works great
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post #4 of 5 (permalink) Old 04-11-2015, 08:26 PM
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Sponge of your size
3/4" pvc to desired length
jam pvc into sponge, insert air stone down into pvc pipe, turn on air pump, set top of pvc pipe just below or barely above water level.

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post #5 of 5 (permalink) Old 04-12-2015, 04:23 AM
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I'd get a Lee's corner filter for a $1.80. I've got 20 of them.

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