I am going to use rain water and add my own salts to the water to create the profile I wish to use for my CPA clone.
I have read quite a bit into it and done all the calculations for what I need to add to make the water how I want it. But the part I can not find, is it best to add the salts to the mash or to the water before I mash? How do I go about adding them? I am using a bit of Bicarb, Epsom, and Gypsum.