blackresidue on washer

[jbg2609]

what is the black residue on the washer when you replace. i dont like the idea of polluted water.

[Al-Glasgow]

what washer might this be ?

[Nige F]

molasses ..that`d be a faucet washer, Al .........seriously, maybe it`s the washer deteriorating slightly and decomposing a tiny bit on it`s face our tap washers can do that sometimes.....otherwise haven`t a clue

[jbg2609]

jbg2609 wrote:

what is the black residue on the washer when you replace. i dont like the idea of polluted water.

the residue is like black ink. Ihave seen this on the flapper vlave in the toilet tank.