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tech info honestly, i don't understand this but someone said that there was no explanation how it works. here's a link http://www.hydrocareusa.com/content/technology/ again, not sure i understand it but there's also a tab on their site to a couple of independent tests - that means a lot more...

Hydrocare First of all, I have one in my house and am extremely happy with the unit. i even tested my upstairs sinks to see if the signal was traveling throughout the house and found that the signal was (I used a device that measures radio signals). I know a bit about hard water and would point...