Thanks for the feedback.
When I "built" my water, i used distilled water and added
Gypsum 3.4 g/gal
Epsom 2.14 g/gal
CaCl .16 g/gal
Baking soda 1g/gal
CaCo3 .5g/gal
I usually have close to 6 gallons of water to start, so I add according to either 5.5, 6, or whatever my starting water volume...