[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Is marble safe in tanks?

Gitte writes:

> I know slate is okay, but does anyone know whether marble leaches anything
>  nasty into the water?  I have a bunch of broken marble and wanted to put it
>  into my 10-gal tank.  I have not yet tested it, as I don't have any 
>  acid.

Marble is metamorphic limestone.  It will slowly dissolve, increasing 
hardness, alkalinity, and baseness.

Bob Dixon