Ok seems to be the consensus so far, before i go home for the night, that it's a better safe then sorry, but still should be tried.
I think i'm gonna go with the cheap sponge thing because it's probably cheaper then a sponge from a store like i've been seeing for a few filters, and because it might not be nesecary after a bit.
But i'll check back thursday and see if anybody has other ideas.
-Lady Astor: "Winston, if I were your wife I'd put poison in your coffee."
-Winston Churchill: "Nancy, if I were your husband I'd drink it."