jmfitzgerald
Well-Known Member
so i'm sitting here scratching my head at some of the numbers i reached today after putting them back into beer smith... first off, here was my recipe i created. it's a Rye IPA
Recipe Specifications
--------------------------
Boil Size: 5.30 gal
Post Boil Volume: 3.64 gal
Batch Size (fermenter): 3.00 gal
Bottling Volume: 2.55 gal
Estimated OG: 1.060 SG
Estimated Color: 14.3 SRM
Estimated IBU: 81.8 IBUs
Brewhouse Efficiency: 70.00 %
Est Mash Efficiency: 81.7 %
Boil Time: 70 Minutes
Ingredients:
------------
Amt Name Type # %/IBU
6.00 g Gypsum (Calcium Sulfate) (Mash 60.0 mins Water Agent 1 -
5 lbs Pale Malt (2 Row) US (2.0 SRM) Grain 2 66.7 %
1 lbs 8.0 oz Rye Malt (4.7 SRM) Grain 3 20.0 %
12.0 oz Carared (20.0 SRM) Grain 4 10.0 %
4.0 oz Chocolate Rye Malt (250.0 SRM) Grain 5 3.3 %
0.50 oz Columbus (Tomahawk) [15.00 %] - First Wo Hop 6 48.9 IBUs
0.50 oz Chinook [11.10 %] - Boil 20.0 min Hop 7 19.9 IBUs
0.60 Items Whirlfloc Tablet (Boil 15.0 mins) Fining 8 -
0.34 oz Citra [15.60 %] - Boil 10.0 min Hop 9 10.4 IBUs
0.16 oz Citra [15.60 %] - Boil 5.0 min Hop 10 2.7 IBUs
0.16 oz Chinook [11.10 %] - Boil 0.0 min Hop 11 0.0 IBUs
0.16 oz Citra [15.60 %] - Boil 0.0 min Hop 12 0.0 IBUs
0.15 oz Columbus (Tomahawk) [15.00 %] - Boil 0.0 Hop 13 0.0 IBUs
1.0 pkg Safale American (DCL/Fermentis #US-05) Yeast 14 -
0.75 oz Columbus (Tomahawk) [15.00 %] - Dry Hop Hop 15 0.0 IBUs
0.34 oz Chinook [11.10 %] - Dry Hop 5.0 Days Hop 16 0.0 IBUs
0.34 oz Citra [15.60 %] - Dry Hop 5.0 Days Hop 17 0.0 IBUs
Mash Schedule: BIAB, Medium Body
Total Grain Weight: 7 lbs 8.0 oz
----------------------------
Name Description Step Temperat Step Time
Saccharification Add 23.38 qt of water at 158.6 F 152.1 F 90 min
Mash Out Heat to 168.0 F over 7 min 168.0 F 10 min
my first BIAB i didn't have good efficiency... it only worked out to 70%. so i based this recipe around 70% being that's what i got last time. for this round, i upped my mash time to 90min because i thought i had a decent grain crush... as the day's moving along, it seems like all is well, mashed for 90 min, hovered right at the 152 maybe 153 side for a bit of it, and hit pre boil gravity and volume this time. (1.041 & 5.3G). i did a 70 min boil, which only brought it down to 1.051 & 4.3G. so i'm off by quite a bit of the estimated OG of 1.060.
some interesting points. if i run brewhouse efficiency on the numbers from today, i come up with 82% which is right at what beer smith estimated. so that's good and i improved my efficiency! but why didn't i reach the estimated OG?
also if i go back into beer smith and change the total efficiency to what i actually achieved today (82%) it REALLY changes EVERYTHING! throws it all out of whack, including the estimated efficiency. why is that?
the color seems WAY darker than what i expected too... but really i'm just looking for a good drinking beer as long as it taste's good!
just looking for more input to learn more about what's actually going on over here!
cheers and thanks guys!
matt
Recipe Specifications
--------------------------
Boil Size: 5.30 gal
Post Boil Volume: 3.64 gal
Batch Size (fermenter): 3.00 gal
Bottling Volume: 2.55 gal
Estimated OG: 1.060 SG
Estimated Color: 14.3 SRM
Estimated IBU: 81.8 IBUs
Brewhouse Efficiency: 70.00 %
Est Mash Efficiency: 81.7 %
Boil Time: 70 Minutes
Ingredients:
------------
Amt Name Type # %/IBU
6.00 g Gypsum (Calcium Sulfate) (Mash 60.0 mins Water Agent 1 -
5 lbs Pale Malt (2 Row) US (2.0 SRM) Grain 2 66.7 %
1 lbs 8.0 oz Rye Malt (4.7 SRM) Grain 3 20.0 %
12.0 oz Carared (20.0 SRM) Grain 4 10.0 %
4.0 oz Chocolate Rye Malt (250.0 SRM) Grain 5 3.3 %
0.50 oz Columbus (Tomahawk) [15.00 %] - First Wo Hop 6 48.9 IBUs
0.50 oz Chinook [11.10 %] - Boil 20.0 min Hop 7 19.9 IBUs
0.60 Items Whirlfloc Tablet (Boil 15.0 mins) Fining 8 -
0.34 oz Citra [15.60 %] - Boil 10.0 min Hop 9 10.4 IBUs
0.16 oz Citra [15.60 %] - Boil 5.0 min Hop 10 2.7 IBUs
0.16 oz Chinook [11.10 %] - Boil 0.0 min Hop 11 0.0 IBUs
0.16 oz Citra [15.60 %] - Boil 0.0 min Hop 12 0.0 IBUs
0.15 oz Columbus (Tomahawk) [15.00 %] - Boil 0.0 Hop 13 0.0 IBUs
1.0 pkg Safale American (DCL/Fermentis #US-05) Yeast 14 -
0.75 oz Columbus (Tomahawk) [15.00 %] - Dry Hop Hop 15 0.0 IBUs
0.34 oz Chinook [11.10 %] - Dry Hop 5.0 Days Hop 16 0.0 IBUs
0.34 oz Citra [15.60 %] - Dry Hop 5.0 Days Hop 17 0.0 IBUs
Mash Schedule: BIAB, Medium Body
Total Grain Weight: 7 lbs 8.0 oz
----------------------------
Name Description Step Temperat Step Time
Saccharification Add 23.38 qt of water at 158.6 F 152.1 F 90 min
Mash Out Heat to 168.0 F over 7 min 168.0 F 10 min
my first BIAB i didn't have good efficiency... it only worked out to 70%. so i based this recipe around 70% being that's what i got last time. for this round, i upped my mash time to 90min because i thought i had a decent grain crush... as the day's moving along, it seems like all is well, mashed for 90 min, hovered right at the 152 maybe 153 side for a bit of it, and hit pre boil gravity and volume this time. (1.041 & 5.3G). i did a 70 min boil, which only brought it down to 1.051 & 4.3G. so i'm off by quite a bit of the estimated OG of 1.060.
some interesting points. if i run brewhouse efficiency on the numbers from today, i come up with 82% which is right at what beer smith estimated. so that's good and i improved my efficiency! but why didn't i reach the estimated OG?
also if i go back into beer smith and change the total efficiency to what i actually achieved today (82%) it REALLY changes EVERYTHING! throws it all out of whack, including the estimated efficiency. why is that?
the color seems WAY darker than what i expected too... but really i'm just looking for a good drinking beer as long as it taste's good!
just looking for more input to learn more about what's actually going on over here!
cheers and thanks guys!
matt