Cerveza Negra
Specifics
General Information
Method: Partial Mash
Comments

10/22/07 - Made a starter w/ 1 L water, 1 cup Light DME in a 1 gal jug, pitched yeast and placed the jug in the chest freezer @ 55 deg F. 

There was no visible activity in the jug in the morning, which I read on the white labs (yeast manufacturer's) website that this is normal as the yeast probably finishes up within a few hours. 

10/23/07 - Made a 2 L, 2 cups light DME wort, cooled and added it to starter jug. Visible activity within a few hours, in the morning there was a decent krausen formed on top of the wort.

10/28/07 - Brewed main wort, I added all of the DME @ 15 minutes so I expect to see increased hop utilization, a lower FG, and reduced sweetness in this batch.

I forgot to run a little boiling wort through the kettle spigot so I'm hoping that I dont pick up any nasties from that.  I also forgot to add the Irish Moss to the boil, so I will have to try out some gelatin or polyclar to clear things up.

Decanted starter and pitched yeast.   The total volume of yeast was about 5x the White Labs 'pitchable amount' that I started with. I pitched yeast around 75-78 degrees, it was a hot day today and I couldn't cool the wort anymore than that. 

Airlock activity was observed within 3-4 hours.  Will ferment @ 55 deg F for 9 days

10/29/2007 - Blowoff! This morning I checked on the beer and there was foam all over the airlock and some beer on the floor of the freezer.  I left about the same amount of empty space in the 6.5 gal carboy as I have been with the previous batches, so I'm thinking it was the yeast starter that caused such a vigorous blowoff.  Time to get a blowoff tube; it wasn't all that fun to cleanup.

11/6/07 - Increase ferment temp to 63 deg for 6 days for diacetyl rest. Will have to leave town 11/8/07, will return from Rocky Point Trip 11/12/07.

11/12/07 - Transfer to secondary, begin reducing temp by 5 deg per day, until reaches 33-34 F.

12/15/07 - Mixed 1/2 cup of hot water w/ 3/4 Tsp of unflavored Gelatin and added to secondary. 

12/18/07 - Transfered to Keg, took a gravity reading and taste sample.  The taste was clean and malty. 

Recipe
Scale
Scale This Recipe
Enter desired final yield (volume):  gallons
Extracts
6.00 pounds Amber Dry 85.7% of grist
6.00 pounds Total Extract Weight 85.7% of grist
Reference
Grains
0.25 pounds 3.6% of grist
0.75 pounds 10.7% of grist
1.00 pounds Total Grain Weight 14.3% of grist
Miscellaneous Ingredients (Non-Fermentable)
1 tsp Irish Moss (forgot to add) @ 15 minutes (Boil)  
3/4 Tsp Gelatin @ 48 days minutes (Secondary)  
Reference
Hops
1.00 ounces 9% Pellets @ 60 minutes
Type: Bittering
Use: Boil
9 AAUs
1.00 ounces 3.2% Pellets @ 15 minutes
Type: Aroma
Use: Boil
3.2 AAUs
2.00 ounces Total Hop Weight 12.2 AAUs
Yeast
White Labs White Labs 940 - Mexican Lager — Liquid — 1 gal starter
Fermentation
Primary: 10 days @ 55° F
Secondary: 6 days @ 63° F
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