On Sun, 9 Jan 2011 00:45:58 +0000 (UTC), ShadowTek
wrote:

On 2011-01-08, mm wrote:

What are all these greasy black flaps? What are they from? I don't
put black flaps down my drain. I don't even have any to put.

I noticed something like that I'm my kitchen pipe once. I was under the
impression that they were some sort of fungal growths, like those disk-like
fungi that grow on trees.

Ooooowwwweh.