Looking for a big sponge for DYI Canister Filter - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 06-16-2008, 12:00 AM Thread Starter
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Looking for a big sponge for DYI Canister Filter

I'm working on a DYI canister filter that was posted here a while ago- https://www.plantedtank.net/forums/di...er-filter.html.

I've decided to build it out of a 5 gallon bucked with a Gamma Seal lid but what I have had some trouble finding is a large enough sponge to fit the bill. I'm looking for something 11 inches in diameter and probably about 3-4 inches thick. If anyone knows were I can order some I would really appreciate it.

Thank you


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post #2 of 10 (permalink) Old 06-16-2008, 05:22 AM
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you can get two huge sponges at a hardware store (shaped like a peanut)they are like 2.5 inches thick, and if you can pack them side by side so that they fit snug, they should work

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post #3 of 10 (permalink) Old 06-16-2008, 10:28 AM Thread Starter
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Really? I thought I had to use some special sponge for fish tanks. Cool, I'll give it a shot.


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post #4 of 10 (permalink) Old 06-16-2008, 05:35 PM
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Just make sure to read the packaging to be sure there aren't any "special" products added, like antibacterials and such.





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post #5 of 10 (permalink) Old 06-16-2008, 06:48 PM
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I think those normally yellow colored "peanut" shaped sponges are for wiping floor/wall tiles. Not sure how good they'll be for filtering.

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post #6 of 10 (permalink) Old 06-16-2008, 08:25 PM
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Those yellow peanut sponges are very fine sponges, so you don't really want it at the bottom where dirty water comes in directly.

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post #7 of 10 (permalink) Old 06-17-2008, 04:00 AM Thread Starter
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I was at wall-mart tonight and came across some sheets of swamp cooler pads. They were about 1 inch thick, porous, and fairly inexpensive. Can anyone think of a good reason why a few of these stacked wouldn't work as a good filter?


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post #8 of 10 (permalink) Old 06-17-2008, 05:22 AM
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Swamp cooler pad?

I have absolutely no clue what that might be in the first place?

You can get big sheets of filter material that you can then cut to size for ponds and such... something like that?





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post #9 of 10 (permalink) Old 06-17-2008, 01:11 PM
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Google--swamp cooler pads

They are Evaporative Cooler Pads......


Personally, I would have to see one in person. Its been ~20yrs. Same thing used in greenhouses, IIRC......


From the description at Wikipedia--I'm not sure I would use them:

Quote:
Traditionally, evaporative cooler pads consist of excelsior (wood wool) (aspen wood fiber) inside a containment net, but more modern materials, such as some plastics and melamin paper, are entering use as cooler-pad media. Wood absorbs some of the water, which allows the wood fibers to cool passing air to a lower temperature than some synthetic materials.
Cooler pads


To the best of my knowledge, the water in an evaporative cooler in a greenhouse is just recycled--its a closed loop. So, exactly what all is in the pads is a big question mark for me......


Check out pond supplies......

Uncut Blue Bonded Filter Pad

Ponds > Filter Media


HTH


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post #10 of 10 (permalink) Old 06-17-2008, 05:20 PM Thread Starter
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Cool! Thanks a bunch.

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