Hi- I'm new to all-grain brewing and I am so confused about all of this OG, BG, efficiency, etc.
I brewed a black ipa (CDA) and used:
10 lb. pale 2-row
1 lb. crystal 40
8 oz. carafa III
4 oz. chocolate malt
So that's 11.75 lbs. of grain. I ended up with 8.5 gallons after I finished my...