yes, one gram per gallon. Please remember I was starting to R.O. water. To be exact, this is what I did.
5.5 gallons of mash water: added 5.5grams of CaCl and 2.5 grams of gypsum
4.6 gallons of sparge water: added 1.075 grams of CaCl and .53 grams of gypsum
8 gallons boil: 3.22 grams of CaCl...