um, I don't know if there is a mechanical part.. the ones I was looking at wer "Ultrasonic" so it wused sound waves to fog the water.. but ya that is somehting to look into.. I this RO would be good enuf, DI gets a little expensive to make fog with
Steve
__________________

*everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.