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Old 04-22-2012, 07:54 PM   #1
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Default A Cold Mashing...Is this true?

Just met a guy at a hardware store. Seemed like a knowledgeable guy and he new enough that I was buying BIAB equipment when I was at the checkout line with 5 gallon paint strainer bags and a new 7.5 gallon kettle.

He mentioned that he "Cold Steeps" his grains in a 5 gallon cylindrical cooler for 24 hours, drains it through a filter then continues the brew the conventional way....Said he had all the equipment needed for "regular" mashing but this was far simpler and the beers he makes come out great.

Is this true?

I did a search and the only thing I found was cold weather mashing and colt mash tuns. Not Cold Mashing.

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Old 04-22-2012, 07:58 PM   #2
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Mashing and steeping are different processes. Is he doing all grain or extract? Conversion is temp dependant.

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Old 04-22-2012, 08:02 PM   #3
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Mashing and steeping are different processes. Is he doing all grain or extract? Conversion is temp dependant.
All Grain...

I searched "Cold Steep" and found some more info....mostly on darker colored grains.
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Old 04-22-2012, 08:06 PM   #4
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I am very interested. If you talk to him again I would ask if he sparges or not and also what type of effeciency he gets. If not, you could always do an experiment with just 1 gallon of water and a few pounds of grain and see what type of effeciency and flavor you get out of it. If it works do a whole batch.

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Old 04-22-2012, 08:11 PM   #5
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I am very interested. If you talk to him again I would ask if he sparges or not and also what type of effeciency he gets. If not, you could always do an experiment with just 1 gallon of water and a few pounds of grain and see what type of effeciency and flavor you get out of it. If it works do a whole batch.
Im all about experimenting...Ill do some more research then Ill just brew a batch up. It would be worth the 7$ in grains.
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Old 04-22-2012, 08:13 PM   #6
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Im all about experimenting...Ill do some more research then Ill just brew a batch up. It would be worth the 7$ in grains.
Post back on here when you do. I am very interested. This could save a lot of time and frustration if it works.
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Old 04-22-2012, 09:14 PM   #7
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I am confused how this would work. Common brewing knowledge states that certain temperatures activate different enzymes and the amylase enzymes activate between 140 to 160ish range

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Old 04-22-2012, 10:05 PM   #8
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Doesn't seem possible unless he lives in Death Valley and covers his mash tun with black plastic.

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Old 04-22-2012, 10:39 PM   #9
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cold steeping dark grains is a process that is common/catching on. mashing is different and temp dependent. you can't "cold mash".

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Old 04-22-2012, 10:44 PM   #10
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cold steeping dark grains is a process that is common/catching on. mashing is different and temp dependent. you can't "cold mash".
That's what I'm thinking. You can certainly cold steep grains, although I've never done it. But if you "cold steep" base grains, you'll just get them wet. Conversion is time, temperature, and pH dependent. I don't know how much, if any, conversion you'd get with a cold steep.
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