I'm TRYING not to screw-up, hehe.
I just got back my analysis of some primo bottled water. It came back like this:
pH - 7.3
Total Dissolved Solids (TDS) Est, ppm - 37
Electrical Conductivity, mmho/cm - 0.06
Cations / Anions, me/L - 0.5 / 0.5
Sodium, Na - 2
Potassium, K - < 1...