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Old 08-06-2013, 02:41 PM   #1
kojinakata
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Default Questions about malt crushing

Hi everyone,
I did my first batch of all grain brewing without crushing my malt and it turned out ok. For my second attempt, I want to mash my malt crushed. The problem is that I havent got a malt crusher. I have seen some threads on diy malt crushers but I can't spend a lot of time building one of those.
So are there any alternative machines or tools for crushing malt?
Is it possible to crush malt by a handtool?
And I have a coffee grinder, why can't I just use that and use ground malt?



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Old 08-06-2013, 04:05 PM   #2
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Originally Posted by kojinakata View Post
For my second attempt, I want to mash my malt crushed. The problem is that I havent got a malt crusher.

Is it possible to crush malt by a handtool?
Where did you buy the grains from? LHBS??
If so, do they have a grain mill? If yes, then I would go right back and ask them to crush it for you.

If no, then anything is better than no crushing.

Perhap rolling it with a rolling pin or crushing it with something.

The issue with a coffee mill will be getting the crush too fine (like flour)

Whatever you do, just do not overdo it.


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Old 08-06-2013, 04:10 PM   #3
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The first couple times I used an old mini food processor pulse 2-3 times for 2-3 seconds each. Still a bit too much floury stuff. I finally broke down & bought The Barley Crusher grain mill with 7lb hopper,wood base installed & crank handle for $130 at NB. Stock setting of .039" works way better. A lot less floury stuff & clarity is better. OG's are up a bit too.

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Old 08-06-2013, 04:14 PM   #4
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wow, surprisiong it worked without crushing your grain. what was your efficiency like? you will for sure need to crush the grain if you want to do all grain successfully. i would check at your lhbs and see if they have a mill or get one like a barley crusher. you don't want to mill too finely or you might have some issues. another question, are you doing BIAB?

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Old 08-06-2013, 04:37 PM   #5
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The problem is that I don't have a LHBS. And I cannot buy a barley crusher simply due to the fact that I live in finland. I could not measure my efficieny, but I know the beer turned out nice.

Clarity of the beer is not an issue for me, so if I grind it with a coffee grinder and make a flour malt, what are the downsides of it?

I tried the rolling pin, but it simply does not crush the malt.

I will try the food processor next.

And I am not doing a BIAB.

Do you know a diy malt crusher thread or link? I might do that, if the food processor does not work also.

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Old 08-06-2013, 04:57 PM   #6
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Originally Posted by kojinakata View Post
Clarity of the beer is not an issue for me, so if I grind it with a coffee grinder and make a flour malt, what are the downsides of it?
Depending on your mash tun setup, too fine of a crush will cause issues with the draining. Think of it this way:

Imagine A TON of small flour sized particles sitting in the bottom of the mash tun. It is like thick wet paste that can cause blockages.
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Old 08-06-2013, 05:01 PM   #7
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In addition, a good crush involves breaking open EVERY single grain husk BUT leaving them intact.

THe husks of the grains act like a natural filter to allow sugars to flow out and into the kettle for boiling. If you crush enough to make a lot of flour, then more than likely you have destroyed the husks as well.

Does this make sense?

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Old 08-06-2013, 05:01 PM   #8
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Quote:
Originally Posted by brewkinger View Post
Depending on your mash tun setup, too fine of a crush will cause issues with the draining. Think of it this way:

Imagine A TON of small flour sized particles sitting in the bottom of the mash tun. It is like thick wet paste that can cause blockages.
I use a cooler box for mashing and a strainer for filtering when pouring the mash into my boiler. It will not cause blockages in the strainer, but it will pass through it easily, that makes it a problem when boiling. Anyway a food processor seems the better option.
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Old 08-06-2013, 05:07 PM   #9
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I use a cooler box for mashing and a strainer for filtering when pouring the mash into my boiler. It will not cause blockages in the strainer, but it will pass through it easily, that makes it a problem when boiling. Anyway a food processor seems the better option.

You actually pick up the cooler and dump it into the kettle through a stainer?
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Old 08-06-2013, 05:09 PM   #10
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You actually pick up the cooler and dump it into the kettle through a stainer?
Yes. Its hard but could not think of another way to do it.


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