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Old 11-18-2010, 03:06 AM   #1 
baylee767
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Does this Filter work?

Heres the link: http://www.youtube.com/watch?v=Ip4DbC-qOCw

It's a video of a homemade filder do you think it actually works and if it does do you think it would work in a 2.5 gallon tank?
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Old 11-18-2010, 05:39 AM   #2 
hailukah
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I think that filter would need a lift tube to work. Look at some of the sponge filters.

The way this style of filter works is that as the air in the lift tube rises, it pulls some water with it. This water is replaced in the lift tube through the bottom, which is where the filter media is.

You can test this by finding a short length of pipe and placing an airtube in it. Then submerge the pipe, leaving only a small length out of the water. With the air pump running you should get water coming out of the top of the pipe. The pump I made will lift water over an inch out of my tank.
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