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Converting Jamil's Roggenbier recipe to PM

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Toilet Rocker

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Hi,

I've extracted, PMed, and even AGed batches for just over 5 years. I generally know how to convert from AG to extract, but how about AG to PM when a lot of rye is involved and there are no (?) options to replace with extract?

Jamil's recipe is:
6.25 rye malt
3.5 munich
3 pilsner
2 oz carafa sp II
.25 rice hulls (optional)

I was going to tweak the grain bill some, but wonder if I can convert this to PM bearing in mind that 1. there's no rye extract and 2. decreasing the base malts will lead to poorer conversion of the rye.

Thanks!
 

Malticulous

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From BCS that the AHA just gave me. It only has PM and AG.
2.6 lbs Munich LME
6.25 lb Rye malt
3 lbs Pilsner
1 lb Caramunich
2 oz Carafa II special
 
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Toilet Rocker

Toilet Rocker

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Hi Conroe. Thanks for the response. Are you suggesting removing the munich base malt and replacing it with LME? Wouldn't that impact the conversion of rye malt?
 

david_42

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Rye malt can convert itself, but you will need about 1/2 lb of rice hulls. You can also substitute 2.2 lbs of light LME for the pilsner.
 
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Toilet Rocker

Toilet Rocker

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David, would you suggest keeping the munich malt as is, but subbing the pilsner malt? Would you suggest adding rye oats or performing a cereal mash to start?
 

Malticulous

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Most of the Munich LME is 50/50 2-row/Munich. I'd just up it to replace all Pilsner. It looks like Jamil had 100% Munich LME, but I wonder if the extract versions were ever even brewed by him.

If you mash in a bag you don't need rice hulls.

Don't do a cerial mash. Rye malt is fully modified.
 
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Toilet Rocker

Toilet Rocker

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Jamil's recipe on the podcast was AG and the munich malt was grain. I've never heard of munich extract. LME can't convert though, can it?
 

Malticulous

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Jamil's recipe on the podcast was AG and the munich malt was grain. I've never heard of munich extract. LME can't convert though, can it?
This is Briess 50/50 2-row/Munich. The same extract is sold at AHS.
http://www.northernbrewer.com/brewi...syrup/northern-brewer-amber-malt-syrup-1.html
It was not available when I use extract. It may be the best easily available extract but it's not German.

http://www.weyermann-malt.com/eng/produkte.asp?idkat=27&umenue=yes&idmenue=37&sprache=2
Good luck finding Weyermann Munich Amber fresh. 100% German light Munich.
 

The_Professor

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Rye malt can convert itself, but you will need about 1/2 lb of rice hulls. You can also substitute 2.2 lbs of light LME for the pilsner.
So, I'm gonna quote this, say that my Roggenbier is 50/50 Rye/Munich, and call it a day.

Yes, here is a Munich extract. I did not realize it was 50/50 two row/munich. I'll keep that in mind if I do a partial with it.
 

Malticulous

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I went ahead and plugged it into a calculator. It looks like five pounds of Munich LME would replace the 3.5 lb Munich and 3 lb Pilsner. Still it's almost a 10 lb mini-mash. All his recipes are for six gallons and 70% efficiency.
 
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