Dear all, I need some help. I have a cowrie that smelled
none too pleasant. First I sprayed it out with a pressure
faucet. Then I put it in hygrogen peroxide overnight. Just a moment
ago I took it out, and it was a bit messed up. It had sort of a haze
over the right side of the dorsum that wasn't there before. I washed and
scrubbed and washed and scrubbed, but it would not come off. What might
have caused this
and is there any way I can get it off? I would GREATLY appreciate any
help.

Thanks,
James