I put some CS in a container that had mosquito larva in it last year. I
am sorry to report that the mosquito larva did not seem disturbed or
killed by it.

Marshall

[email protected] wrote:

> Hello Fellow Rifers,
>        Can anyone tell me if they have put CS in a bird bath to
> prevent mosquitoes from forming hatching?  If so how much and how
> often? The concern of course is the West Nile Virus.
> thanks so much,
> Maggie