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Old 04-01-2012, 02:19 PM   #1
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will this DIY sponge filter work?

I put this together using an air pump, and extra lift tube I had, some rubber bands and this extra sheet of filter media I had on hand.

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This is the media which I essentially just rolled up into a cylinder shape around the lift tube. So will this 60 sec set up work? Or are there design flaws?
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Old 04-01-2012, 05:36 PM   #2
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I cant really tell whether it would or not because i would need directions on how to make it to see the inside. If its an air stone stuck in the lift tube with the pad wrapped tightly around the tube it would work. If that is what you did, its good.
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Old 04-01-2012, 07:45 PM   #3
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Quote:
Originally Posted by Link119
I cant really tell whether it would or not because i would need directions on how to make it to see the inside. If its an air stone stuck in the lift tube with the pad wrapped tightly around the tube it would work. If that is what you did, its good.
No airstone in the lift tube currently- just the airline shoved in lift tube about a 1/2" from the bottom and pad wrapped tightly around lift tube. if all it needs is an small airstone to work that's great! Just made this thing for fun -- glad to know its almost operable as is.
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Old 04-02-2012, 01:49 AM   #4
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If it's set up how I think then there are design flaws, but that doesn't mean it wouldn't work to some extent. It looks like water would likely only be drawn in from the bottom section of the filter material, so you ideally want it all to slide into another larger tube such that water is pulled through the full height of the filter material.
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Old 04-02-2012, 01:00 PM   #5
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You can make a better water bottle design.
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Old 04-02-2012, 09:19 PM   #6
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Quote:
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You can make a better water bottle design.
How would that work? Any links u can provide would be great.
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Old 04-02-2012, 09:22 PM   #7
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Quote:
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If it's set up how I think then there are design flaws, but that doesn't mean it wouldn't work to some extent. It looks like water would likely only be drawn in from the bottom section of the filter material, so you ideally want it all to slide into another larger tube such that water is pulled through the full height of the filter material.
Do you have an example u can show me? Not quite following the sliding it into a larger tube part. Would punching holes in the part of lift tube that is in the sponge accomplish the goal of drawing water in from full height of the filter media?
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Old 04-05-2012, 02:31 PM   #8
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Here is my design...
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Old 04-06-2012, 11:06 PM   #9
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Here is my design...
Very cool design. What kinda bottle are you using? Plastic water bottle?
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Old 04-07-2012, 01:38 AM   #10
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Im not using it, just a plan i thought of in case i need one.
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