I know this post is a little old, just wondering if you got you efficiency worked out? I bought a Robobrew and completed my first brew this weekend. I knew it was when I tasted some the spent grain, I could tell there was a lot of sugar left in it.
I did very well calculating the volumes, however my efficiency was well below what I was expecting.
Efficiency
Conversion: 59.5%
Pre-Boil: 56% 20.5 ppg
Ending Kettle: 56% 20.7 ppg
Brew House: 53% 19.4 ppg
Have you found any tips or tricks to improve your efficiency?
Thanks!