Considering our especially hard water, I'm surprised that there doesn't seem to be a discussion about water hardness in the AZ group (unless I missed it). From what I've read most people in general (not locally) do not like RO filtered water, but people with really hard water (like us in Scottsdale, pH 10+, hardness of 1100 ppm with EC meter, still waiting for my KH/GH test kit to arrive) should…