Hi Ingrid,

The device has been found not to harm any fish or animals in the ponds
it has been used. The ultrasonic device is currently being used in
botanical gardens and other ponds with fish and no problmes have been
reported regarding fish. --Jon





wrote in message ...
and just what does ultrasonic sound or ??? do to fish? fish have sensitive hearing.
INgrid

(Jon Ahlbin) wrote:
The company has just
started producing an ultrasonic algae killing device. The reason I am
posting this message to the group is because I did see some people are
having problems with algae and our new algae killing device maybe the
solution.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
List Manager: Puregold Goldfish List
http://puregold.aquaria.net/
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Solve the problem, dont waste energy finding who's to blame
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