well....if it was higher frequencies (ultrasonic), maybe it was meant to
'loosen' the scales, and then let them wash down the pipe???

hmmm.....*starting a patent search*.

> ----------
> From:         Stefan Sczekalla-Waldschmidt[SMTP:ssw@OIKOSSW.DE]
> Sent:         Tuesday, December 15, 1998 8:21 AM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Re: Descaling
>
> Hi Imre,
>
> > So I guess it is a hoax. This one has a NE555 and generates 5V, 1kHz.
> >
> I guess these devices are all hoax. Possibly a "Ionen-Tauscher" may help
> If you need it in case of the washing or laundry - just add some
> citric-acid
> "Zitronensdure" where you normally add "Weichsp|ler" ( a liquid which
> the marketing
> tells it will soften the clothes ).
>
> Kind regards
>
>          Stefan
>