Salts CaSO4 4.0g, CaCl 1.8g, MgSO4 0.8g plus a quarter tab campden. 2g nutrient and 1/2 whirlfloc tab at 10 min.
Based on boiling 7.00 gallonsliters at 1.050 for 0 minutes, this will decrease your wort by 0.00 gallonsliters, bringing your after boil OG to 1.050. You wanted an OG of 1.059. It looks like it will be under.