Yeah.
As i don´t have RO water analyzes in hand i had to trust what other have used.
Anyway my target profile was looking like this:
Ca2 80, Mg+2 10, Na+ 20, Cl- 60, So4-2 180 and Hco3- 0
Used these to reach that target profile
6.2g Gypsum
2.9g Epsom salt
6.1g 36% Calcium chloride
Used...