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Beer Smith software

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Beer Smith software

Postby beernut » Sun Sep 27, 2009 12:58 am

I just bought the Beer Smith software.. I really like it so far but i have had one problem. I entered a recipe for an all grain brown ale today.. i followed the mashing instructions to a tee but fell about a gallon short on my boil volume.. I was shooting for 6.7 gallons boil volume and a 5.5 gallon batch. I used 15.50 lbs of grain, the software told me to add 20 quarts of 166.7 degree strike water (for 154 degree mash) and batch sparge 11.7 quarts (i used 3 gallons) of 196.6 degree water (for 166.8 degree mash out ) to get 6.7 gallons for the boil. I was at least a gallon short of that. my temps where as calculated but I had to heat up 2 gallons of 170 degree water to rinse the grain to get to my desired total boil volume. I guess my grain obsorbsion is messed up. Any ideas??
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Re: Beer Smith software

Postby shineman » Sun Sep 27, 2009 1:51 pm

i could be grain absorption or the pick up isn't getting all the liquid in the kettle, i always heat more water than i'll need just in case my volume falls short. with that much grain you shouldn't see that much difference in your gravity.
gary
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Re: Beer Smith software

Postby Kevin » Wed Sep 30, 2009 2:02 am

That seems about right. You should get absorption of about 0.7 quarts per pound. When I look at your numbers, I get a yield of 5.2 gallons with this absorption rate. That's assuming you have no dead space where extra wort can hide in the mashtun.

There should be a place to enter your "real world" experience into the basic calculations. The more you use the program and tweak it to your system, the more accurate it will be.
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