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04-07-2007, 07:00 AM
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#1
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Senior Member
Join Date: Jan 2007
Location: Memphis, TN
Posts: 1,052
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*sigh* just a little disappointed
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So we were brewing our weizenbock mini-mash... promash gave me an estimate of 1.080 SG...
It being our first mash i decided to experiment with it. I decided to mash on the stove. unfortunately that is not a good idea... the temperature varies way to much and the bottom grains get hotter... The thermometer was accurate but the temperature varied way too much... Needless to say we're going to do it different next time...
Estimated SG = 1.080
Actual SG = 1.055 (in other words the 6 lbs of DME lol)
Partial Mash gone bad...
Not too worried though it should still taste good...
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04-07-2007, 07:11 AM
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#2
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Senior Member
Join Date: Jan 2007
Location: Memphis, TN
Posts: 1,052
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I meant to post this is General, not general techniques.
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04-07-2007, 08:55 AM
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#3
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Senior Member
Join Date: Nov 2006
Location: Houston, TX
Posts: 1,760
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Quote:
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Originally Posted by DeadYetiBrew
So we were brewing our weizenbock mini-mash... promash gave me an estimate of 1.080 SG...
It being our first mash i decided to experiment with it. I decided to mash on the stove. unfortunately that is not a good idea... the temperature varies way to much and the bottom grains get hotter... The thermometer was accurate but the temperature varied way too much... Needless to say we're going to do it different next time...
Estimated SG = 1.080
Actual SG = 1.055 (in other words the 6 lbs of DME lol)
Partial Mash gone bad...
Not too worried though it should still taste good...
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Sounds very similar to my weizenbock partial mash. Anticipated OG was 1.075, and my actual was just 1.064. My efficiency was a measly 42.5%.
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04-07-2007, 09:13 AM
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#4
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Senior Member
Join Date: Jan 2007
Location: Memphis, TN
Posts: 1,052
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I think next time i will use the oven method... Stove Top temperatures vary way too much...
I put 6lbs DME into promash and it gave me the 1.055 so basically i pulled no sugars from the grains...
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04-07-2007, 12:26 PM
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#5
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Beer Bully
Join Date: Jul 2005
Location: Barony of Fuquay-Varina, NC
Posts: 5,421
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Quote:
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Originally Posted by DeadYetiBrew
I think next time i will use the oven method... Stove Top temperatures vary way too much...
I put 6lbs DME into promash and it gave me the 1.055 so basically i pulled no sugars from the grains...
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Well, you should have gotten *something*. It sounds like something is amiss, but in any case you have a handle on what went wrong and can correct the next time.
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04-07-2007, 03:33 PM
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#6
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Senior Member
Join Date: Dec 2005
Location: San Diego
Posts: 838
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Are you guys cooling the hydrometer sample before testing SG?
You might take a method form the AGers, and mash in a cooler. I think a picnic jug would work for small amounts, or a small cooler. Probaly with a grain bag (5 gallon paint strainer), then just lift the bag out and let it drain. Pour the runnings into the brew pot. Then refill the cooler with 170 degree water, and soak grains (stir too) again for ten minutes- do a mini batch sparge.
A couple times like that, and all you'll need is a bigger cooler to go AG...
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57 batches so far,
33 wine, mostly Loquat, peach, plum, prickly pear
22 beers and ciders
1 sauerkraut
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04-07-2007, 03:49 PM
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#7
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Senior Member
Join Date: Nov 2006
Posts: 928
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I highly recommend steam mashing. I also like using a small 3 gallon batch the first time you try a recipe.
I got 33 points per pound on my brew last night. I think you are going to have to fly sparge to get the yield you want.
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Getting back into brewing...
Last edited by brewman !; 04-07-2007 at 03:53 PM.
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04-07-2007, 07:50 PM
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#8
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Senior Member
Join Date: Jan 2007
Location: Memphis, TN
Posts: 1,052
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Quote:
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Originally Posted by Baron von BeeGee
Well, you should have gotten *something*. It sounds like something is amiss, but in any case you have a handle on what went wrong and can correct the next time.
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Exactly, and it shouldn't turn out too bad anyway...
We cooled the actual wort to 65 before taking the sample so i'm sure it was correct. I'm thinking oven method or a small cooler... I don't know why i didn't get any sugar, i thought i should have gotten something too. eh well not too worried bad homebrew is still good beer...  it's fermenting pretty well too almost into the blowoff tube...
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04-07-2007, 08:27 PM
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#9
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Beer Geek
Join Date: Apr 2006
Location: Decatur, Illinois
Posts: 6,107
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Mini-Mash
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How many lbs or grain did you use? I did a stepped partial mash batch w/ 3.5 lbs and very little heat fluctuation. I used a stainless steel pot like a dutch oven. Its pretty thick bottomed pot. I got a 70% mash efficiency. I used my rubbermade MLT to lauter and sparge.
My next try will be a full AG pale ale.
Check out this. Link for making your own MLT from a cooler.
http://www.homebrewtalk.com/f51/cheap-easy-10-gallon-rubbermaid-mlt-conversion-23008/
I made one with a 5 gal. I also own a 12 gal cooler that I can convert if needed.
It cost me about $40 total; cooler + fittings.
Another couple cool links...
http://cruisenews.net/brewing/infusion/page1.php
http://cruisenews.net/brewing/partial_mash/page3.php
Like you indicated it'll probably be damn good with a nice rocky head!

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04-08-2007, 01:35 AM
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#10
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Senior Member
Join Date: Jan 2007
Location: Memphis, TN
Posts: 1,052
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Quote:
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Originally Posted by Schlenkerla
How many lbs or grain did you use? I did a stepped partial mash batch w/ 3.5 lbs and very little heat fluctuation. I used a stainless steel pot like a dutch oven. Its pretty thick bottomed pot. I got a 70% mash efficiency. I used my rubbermade MLT to lauter and sparge.
My next try will be a full AG pale ale.
Check out this. Link for making your own MLT from a cooler.
http://www.homebrewtalk.com/showthread.php?t=23008
I made one with a 5 gal. I also own a 12 gal cooler that I can convert if needed.
It cost me about $40 total; cooler + fittings.
Another couple cool links...
http://cruisenews.net/brewing/infusion/page1.php
http://cruisenews.net/brewing/partial_mash/page3.php
Like you indicated it'll probably be damn good with a nice rocky head!

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It was 4 1/2 lbs... we'll try the oven next and then maybe use a cooler... dunno we're strapped for funds as it is so we're trying to slowly acquire equipment.
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