Mash: Added 1/2 teaspoon gypsum Mash: Added 1/4 teaspoon acid blend Batch sparge Forgot to add Irish moss Forgot yeast starter Abv. 3.94%
Based on boiling 6.70 gallonsliters at 1.030 for 60 minutes, this will decrease your wort by 1.00 gallonsliters, bringing your after boil OG to 1.034. You wanted an OG of 1.064. It looks like it will be under.