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Old 01-12-2013, 07:35 PM   #1
jbsayers
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Default First time with new MLT!

So I built myself a MLT out of a Rubbermaid 10 gal Home Depot cooler and brewed my first batch in it last night. I was very impressed. Not a degree lost.

We brewed an oatmeal stout. This was my 5th time brewing and since we just ran out of the oatmeal stout I made the first time I brewed, SWMBO requested we make more. I tweaked the recipe a little bit and used a different yeast just to see how changing this and that affects the final product.

Below is the recipe and some pics of us from brew day.

Cheers!
JB


Sayers' Wild Oats
A ProMash Recipe Report
Recipe Specifics
----------------
Batch Size (Gal): 5.50 Wort Size (Gal): 5.50
Total Grain (Lbs): 11.25
Anticipated OG: 1.061 Plato: 14.87
Anticipated SRM: 30.2
Anticipated IBU: 30.8
Brewhouse Efficiency: 80 %
Wort Boil Time: 60 Minutes

Pre-Boil Amounts
----------------
Evaporation Rate: 15.00 Percent Per Hour
Pre-Boil Wort Size: 6.47 Gal
Pre-Boil Gravity: 1.051 SG 12.73 Plato

Grain/Extract/Sugar
% Amount Name Origin Potential SRM
-----------------------------------------------------------------------------
80.0 9.00 lbs. Pale Malt(2-row) Great Britain 1.038 3
8.9 1.00 lbs. Flaked Oats America 1.033 2
4.4 0.50 lbs. Crystal 60L America 1.034 60
2.2 0.25 lbs. Roasted Barley Great Britain 1.029 575
4.4 0.50 lbs. Chocolate Malt Great Britain 1.034 475

Potential represented as SG per pound per gallon.
Hops
Amount Name Form Alpha IBU Boil Time
-----------------------------------------------------------------------------
1.00 oz. Goldings - E.K. Pellet 5.47 23.2 60 min.
0.50 oz. Hallertau Hersbrucker Pellet 3.55 7.5 60 min.

Yeast
-----
White Labs WLP002 English Ale

Mash Schedule
-------------
Mash Type: Single Step
Grain Lbs: 11.25
Water Qts: 17.01 - Before Additional Infusions
Water Gal: 4.25 - Before Additional Infusions

Qts Water Per Lbs Grain: 1.51 - Before Additional Infusions
Saccharification Rest Temp : 156 Time: 60
Mash-out Rest Temp : 0 Time: 0
Sparge Temp : 156 Time: 10

Total Mash Volume Gal: 5.15 - Dough-In Infusion Only

20130111_221309.jpg   20130111_221322.jpg   20130111_221204.jpg   20130111_221217.jpg  
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Old 01-12-2013, 08:52 PM   #2
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Sweet! When SWMBO asks for beer, make her beer!

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Old 01-13-2013, 03:28 PM   #3
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Curious what your efficiency was? Im guessing you did a fly sparge. I have been batch sparging with a 48 qt cooler and cant get above 70%.

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Old 01-13-2013, 06:29 PM   #4
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Originally Posted by Stocktonbrew View Post
Curious what your efficiency was? Im guessing you did a fly sparge. I have been batch sparging with a 48 qt cooler and cant get above 70%.
I batch sparge as well. Not sure if I have all the settings correct in my software but its in the high 70s low 80s. You really need to make sure your sparge water brings your temp up to 170F and that you stir it well and let let it sit. I let my sparge sit for 10 mins at 170F then drain. Also, even if you have to boil longer, increase your water to grain ratio to around 2qt/lb for your sparge to get all those sugars into solution. If you are already doing these things, you might be under/overestimating something in your calculations.

Cheers!
JB
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Old 01-13-2013, 07:36 PM   #5
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Thanks for the tips. I will up my mash ratio a bit to 2qt/lb. Nice pictures, looks like you guys had a fun time. Cheers

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Old 01-13-2013, 07:42 PM   #6
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outstanding!

wished my lover would drink beer

at least she allows me to purchase anything i want or need for the hobby.

GD

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Old 01-14-2013, 01:29 AM   #7
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Quote:
Originally Posted by Stocktonbrew View Post
Thanks for the tips. I will up my mash ratio a bit to 2qt/lb. Nice pictures, looks like you guys had a fun time. Cheers
Just to be clear on the advice I was givinh you, I only sparge at 2qt/lb. I stay around 1.5 for my mash.

JB
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Old 01-14-2013, 01:32 AM   #8
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outstanding!

wished my lover would drink beer

at least she allows me to purchase anything i want or need for the hobby.

GD
SWMBO used to work at a brew pub (Thirsty Dog) and actually lost her taste for beer. She has a couple go to beers for the rare occasion she does have one. Just so happens that she loves my oatmeal stout. Lucky me!
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Kegged: Sayers' Bah Humbug Brew

Up Next: Maybe a Hefe

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