Proofman

Recipes 

I’ve decided to make the move to partial mash. I have a two gallon cooler and a big grain bag. I think I have the basics from researching, but I haven’t found much info for converting recipes to partial mash. Here is the all grain version of Young’s Special London Ale clone (5.5 gallons):

13.41 lbs Marris Otter pale malt
1.01 lbs Crystal 60
7 AAU fuggles (60 min)
2.5 AAU Goldings (15 min)
.5 oz Goldings (0)
.25 oz Target (dry hop)
.25 Goldings (dry Hop)
1 Tsp Irish Moss
Wyeast 1318 (London Ale III) yeast

How should I convert this to a Partial mash using DME.

david_42

Recipes 

A real simple rule of thumb is 3 parts DME = 4 parts 2-row. So, you could substitute 9 lbs of DME for 12 lbs of MO or 6 for 8.

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TheJadedDog

Recipes 

A lot depends on how much grain you plan on mashing. Do you have any brewing software? I typically input the total amount of base grain + specialty grain I plan on mashing, then just add DME until I hit the right OG. Then I make any necessary adjustments to ensure that I still have the correct percentage of specialty grains in my grain bill and that I have a high enough ratio of base malt to specialty grains.

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homebrewer_99

Recipes 

1 lb grain = .75 lb LME = .6 lb DME...

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HB Bill

Proofman

Recipes 

Here is what i came up with by manipulating the ingredients in beersmith to get the desired OG (OG:1.065, IBU:31 SRM: 12 FG: 1.014-1.017)

4.25 lb Light Dry Extract (8.0 SRM) Dry Extract
2.00 lb Light Dry Extract (8.0 SRM) Dry Extract
2.50 lb Pale Malt, Maris Otter (3.0 SRM) Grain
1.01 lb Caramel/Crystal Malt - 60L (60.0 SRM)
1.65 oz Fuggles [7.00%] (60 min) Hops 30.0 IBU
0.55 oz Goldings, East Kent [2.50%] (15 min) Hops 1.8 IBU
0.25 oz Target [11.00%] (Dry Hop 3 days) Hops -
0.28 oz Goldings, East Kent [5.00%] (Dry Hop 3 days) Hops -
0.55 oz Goldings, East Kent [5.00%] (0 min) (Aroma Hop-Steep) Hops -
1.00 tsp Irish Moss
1 Pkgs London Ale III (Wyeast Labs #1318) Yeast-Ale

I have come across conversions of 0.6, 0.68, & 0.75 for going from grain to DME. Using beersmith it come to about 0.58. Any suggestions?

Sixbillionethans

Recipes 

google search: "converting all grain to partial mash"

1st result: http://home.elp.rr.com/brewbeer/extract/pres.pdf

This is Ken Schwartz's paper on converting all grain to partial mash...it's everything you need to know.