Okay. So I called up the county and got some numbers on my local water.. And I have a question about calculating Ca and Mg. Here's what I have:
Calcium hardness ppm- 64
Sodium ppm- 13-18
Chloride ppm- 18.4 avg, range 13.31-24.1
Sulfate ppm- 98.08 avg, range 79.44-137.14
total alkalinity...