Originally posted by: nicowju
is it that zapper thing with the blue light? we put a couple by the pool and they seemed to be somewhat effective. my dog never really hung around it though
Those things drove my cats NUTS.
They use a high pitched frequency that cats can hear (apparently) and people cannot.
Originally posted by: TheBoyBlunder
I've got a couple...they seem effective, I guess. *shrug*
Originally posted by: ScoobMaster
If you are referring to Ultrasonic Pest Repellers, every UNBIASED report I have ever read that did any kind of scientific testing showed that they were not very effective at all.
FTC Warns makers of Ultrasonic pest controllers
Another FTC statement