try http://www.wateronline.com/ ----- Original Message ----- From: To: Sent: Tuesday, November 25, 2003 1:07 PM Subject: [EE:] Physical (Magnetic) Water Treatment > Does anyone have experience with physical water treatment? > > There are many products around, promising to change the structure of > calcium carbonate in a way, that this does not deposit within tubes, water > heaters, ... > You can read a lot of people, telling that these products work well, and > others, telling that they don't work at all. > > I think the only thing that does not need any discussions is, that all > these products are build of components worth almost nothing, but cost a > lot. > I think an electromagnetic water treater, which costs between 1-2k$ could > be built for about $10, if you know what it really does. > > I've seen pictures of such devices, containing a microcontroller, some > transistors and 2 electromagnets. others only have some glue logic, which > directly drives 2 antenna like wires. > > As far as i understand, most of the electromagnetic products have 1 or > more electromagnets, which get either a constant ac frequency, or sweep a > frequency range. > > It would be of great help, if someone could publish the frequency and > power, that these treaters usually work with, and eventually, someone has > experience with self built products. > > thanx a lot! > > tino > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.