internal sponge?

[mommafish]

What exactly is an internal sponge? The ones placed inside a filter. I have an idea but cannot seem to find them by that specific name online. Any help would be appreciated. :)

[CanadianGuy]

I'm not exactly sure what you're referring to since technically a sponge filter and a filter insert are both internal sponges.

A sponge filter sits in your tank and is connected to an air line. The air flow pulls water through the sponge and it filters your water.

A sponge insert sits inside a power-filter like an Aqua Clear or a canister filter. A pump sucks water into the filter and pushes it through the sponge before it goes back into the tank.

I hope that helps.

[SSrowr]

Go with what CanadianGuy said; here are some pics of both w/ a link to where you can find them.

Sponge Flilter-
http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=3936&D=sponge%20filter&R=8 151&Ntt=sponge%20filter&Ntk=All&Dx=mode+matchallan y&Ntx=mode+matchallany&Np=1&N=2004&Nty=1

Aquaclear Hang On Back(HOB) power filter-
http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=3610&Ne=40000&R=7403&N=200 4+22769

[SSrowr]

that was the Aqua Clear (AC)-
Here's the sponge-

The Home page to the website above is Drsfosterandsmith.com

hth,
~Seth

[mommafish]

I should have been more specific about the hang over the back needing the internal sponge. Carol recommended it and I am using it. I just refer to them as filter media. I wasn't clear about it. You answered my question. Thank you very much!