Ok, so playing with that site, after putting in 1tsp (4gm) gypsum and 0.2tsp (1gram) calcium chloride, I get.....
Ca 53, mg and na the same, so4 82.7, Cl 18, and HCO3 70.9
does that seem more reasonable and am I doing it correctly?
I use the braumeister electric brewing rig, so I assume I can...