In article ,
ged hickman wrote:
I'm startting off on the long haul of inproving my clay soil based lawn. I
know that one can improve the drainage by froking in holes and sweeping in
sand. Question is, what sort of sand? Builders, sharp or silver?

Sharp, unless you pave your driveway with gold. Silver is too close
to clay (in this sense).


Regards,
Nick Maclaren.