On Sun, 02 Mar 2003 05:34:07 GMT, "Teddy"
wrote:

I have just built a small water feature based in a 1m diameter pond. Works
fine and is very pretty but it has rapidly become a breeding ground for
mosquitos. Is there anything I can put in the water which will kill the
mossies?

Fish.

If there are no plants or animals to worry about, then add salt.