salt additions : Mash : Gypsum 9.2 Calc Chloride 1.9 Epsom 3.8 Boil : Gypsum 12.1 Calc Chloride 2.5 Epsom 5.0
Based on boiling 13.70 gallonsliters at 1.063 for 60 minutes, this will decrease your wort by 1.00 gallonsliters, bringing your after boil OG to 1.068. You were planning on an OG of 1.068 so you are right on track. Nice job!