Anyone heard of this in-tank filter techinque?

zachjohnson65

zachjohnson65

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Mar 31, 2007
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Has anyone heard of this in-tank filter technique? Is uses a large piece of filter pad material to make a division wall in your tank, then you place a powerful pump behind it and make the output through the pad. The idea is the the pump draws dirty water from the outside through the filter pad and then it is pushed out cleaner. I think it has a German sounding name? thinks about using it on a 55G.
 
The filter is called a Mattenfilter.

The filter is essentially a giant bio-filter. The filter pad is a sponge and as the dirty water is pulled thru the sponge bacteria break down the ammonia into nitrite and the nitrite into nitrate.

Google "Mattenfilter" (all one word and without the quotes) to find out more.
 
Yep, a Hamburg mattenfilter. Literally, "mat filter".

I'm not a big fan of it myself since I like the media to be separated from the design of the tank, but it does offer good coverage and biological filtration.
 
Wow having a false back wall made of blue bio-filter padding would do 3 things, provide a huge filter area, colonize allot of bacteria, and provide the blue background everyone likes albeit textured. You could even make yourself a huge plastic or SS frame and pull it out like a huge back wall cartridge and becasue the surface area is so large the spacing could be as small as a hose 1 inch. What a great concept.
 
I just have to find the correct pump to produce sufficient flow but not too much, I was thinking one that does 300 gph. How does that sound.
 
CWO4GUNNER said:
Wow having a false back wall made of blue bio-filter padding would do 3 things, provide a huge filter area, colonize allot of bacteria, and provide the blue background everyone likes albeit textured. You could even make yourself a huge plastic or SS frame and pull it out like a huge back wall cartridge and becasue the surface area is so large the spacing could be as small as a hose 1 inch. What a great concept.
Click to expand...

You never cease to amaze me with your ability to brainstorm interesting design ideas...


:dance:
 
hydor koralia nano or 1 would work and they are small enough not to take up so much room. 240g/h or 400g/h respectively
 
Wow it just occurred to me that you wouldn't even have to use a pump. You could actually use your existing canister by placing the intake behind the mattenfilter wall and the outflow in front of it like a gigantic pre-filter. You could hide your heater and UV sterilizer back there and keep the spacing down. It wouldn't matter how strong of a GPH pump you had becasue the surface area for the intake is so huge it would never get clogged and probubly take forever to look dirty. You could use undergravel filter grates as a frame by gluing them together using PVC glue, cutting them to size and 1/4" PVC piping hidden on the inside for added support. Then use glued velcrow strips to just add on the custom sewn together blue bio pad matting. It would probubly work best on a small scale 5-20 gallon aquariums.
 
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