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re: Homebrewing: Brewing in process thread (with pics)

Posted on 2/25/13 at 4:07 pm to
Posted by Fratastic423
Baton Rouge
Member since Feb 2007
5990 posts
Posted on 2/25/13 at 4:07 pm to
quote:

I don't know. I input my measured Pre-Boil gravity. I had to adjust my points based on the temperature at reading. It read at 1.042, but added .01 points to get a measured pre-boil gravity of 1.052. Put that into beersmith and my efficiency read at 83%. I then conducted my boil and all i gathered was 4.5 gallons. I don't know how, but thats what i got. and my target OG was 1.062 post boil. And that's exactly what i got.



How did you calculate that your recipe would give you 1062? Beersmith? What is your efficiency set to in the program? Bc unless your brewery efficiency is set to 60/65% you did not get 83% efficiency. You ended up a half gallon short (typically 10 pts a gallon), so lets call that 5 points. So your 5 gallon beer would have been 1057. Based on my calculations 1062 has you at 75% with your recipe which would make 1057 just shy of 70%.

Not knocking your brew at all, more just bored at work trying to figure stuff out.
Posted by BugAC
St. George
Member since Oct 2007
53798 posts
Posted on 2/25/13 at 4:11 pm to
quote:

How did you calculate that your recipe would give you 1062? Beersmith?


Yeah

quote:

Not knocking your brew at all, more just bored at work trying to figure stuff out.


I understand. I believe it's set at 70-75, i'd have to check though
Posted by BugAC
St. George
Member since Oct 2007
53798 posts
Posted on 2/25/13 at 4:13 pm to
quote:

Bc unless your brewery efficiency is set to 60/65% you did not get 83% efficiency.


The only thing i would object with, is my past brews, i've done hand calculations before, and i came up at 83%. But i was shy of 5 gallons. I'll play with brewsmith tonight and see what i'm getting. I don't believe i've ever set my efficiency on brewsmith. I'll see.
Posted by swampdawg
Baton Rouge, LA
Member since Nov 2007
5141 posts
Posted on 2/25/13 at 4:33 pm to
quote:

How did you calculate that your recipe would give you 1062? Beersmith? What is your efficiency set to in the program? Bc unless your brewery efficiency is set to 60/65% you did not get 83% efficiency. You ended up a half gallon short (typically 10 pts a gallon), so lets call that 5 points. So your 5 gallon beer would have been 1057. Based on my calculations 1062 has you at 75% with your recipe which would make 1057 just shy of 70%.

Not knocking your brew at all, more just bored at work trying to figure stuff out.


Maybe he is stating mash efficiency vs. brewhouse efficiency?

Also, I have never done a temperature conversion for a gravity reading. I either chilled it or used a refractometer. Is gravity measurement not at 60 very reliable?
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