On Fri, 27 Feb 2004 00:12:22 GMT, Gideon Singer
wrote:

I have a large quantity of grey Mexican river rocks that have aquired
rust spots of varying degree on their surfaces. Is there a way to
remove these spots without destroying the surface of the rocks?
To email replace orchids with shaw


Purchase a product that removes rust. Naval Jelly, CLR, Zud, The
Works, all remove rust. Most of these contain oxalic acid. But, I
would not uses any of these if you intend to use the rocks in a fish
pond.