Frank Erskine wrote:
On Fri, 6 May 2011 21:40:22 +0100, "Tim W"
wrote:
Crikey I am sure I used to know the answer to that when I was young and had
children but I have completely forgotten it now. What is happening to me?

You're starting to "get old". It's the better option of the two... ;-)

ISTR silver sand as the "posh" stuff used by gardeners in the 50s, but
I've never seen it advertised anywhere on the Interweb..

I think its sold as 'playpit' sand.