Thanks for the help. I wasn't sure what to shoot for so I was using the water profile for London in Bru'n water. If I add 1 gram of gypsum and 1 gram of calcium chloride my new profile should be around:
Sodium, Na 35
Potassium, K 2
Calcium, Ca 70
Magnesium, Mg 6
Total Hardness, CaCO3 90...