Not what I intended. How does that conductivity reading translate into PPM.
On Mar 14, 2012, at 21:08, "Jane MacRoss" <[email protected]> wrote: > Parts per million, three times a day > > > What does that mean in PPM TDS?
Not what I intended. How does that conductivity reading translate into PPM.
On Mar 14, 2012, at 21:08, "Jane MacRoss" <[email protected]> wrote: > Parts per million, three times a day > > > What does that mean in PPM TDS?