On Sun, 26 Apr 2009 08:33:50 -0400, "dadiOH"
wrote:

G Mulcaster wrote:
Over the last three years I've been spraying strength vinegar on my
cement based pavers to kill moss and weeds.

Works well; however, does vinegar harm cement based pavers?

Being acidic, it *does* attack them; however, weak as it is, it would take
many, many applications to notice anything.

You can kill the moss with a dilute solution of chlorox, don't know if it
does weeds too. Salt - table or rock - should do the weeds and keep them
out for a while once it is watered in, maybe moss too. And as a last
resort, there is always Round-Up

dadiOH



Salt or Chlorox are more hazardous than RoundUp. Salt is probably the
worse chemical to use if you are trying to protect nearby plants. Put
a layer of lime over moss to control it.