Try Bleach!  Clorox

ronald noseworthy wrote:

> Hi, everyone!
>
> I am studying the molluscs of Chejudo, South Korea.  I have found that the shells of Tegula pfeifferi carpenteri are usually covered with a thick growth of algae.  I need to clean some of the shells to see the sculpture.  I have tried to remove it with a 50/50 vinegar/water solution but with little success.  Is there something more effective that will remove the coat of algae without damaging the surface of the shell?
>
> Also, my wife would like to use some trochid shells for her shellcraft.  She needs to remove the calcareous surface layer to reveal the prismatic layer beneath.  What would be best for this?  I read somewhere that a weak solution of muriatic acid is efective?  Is this correct?
>
> Any help anyone can give me would be greatly appreciated.
>
> Conchologically yours,
> Ron Noseworthy
>
> __________________________________________________________
> Get your FREE personalized e-mail at http://www.canada.com