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November 17, 2005

IPA

I brewed my first successful all-grain batch of beer last night. I brewed an IPA, and it weighed in at 1.075. I started around 6:00PM, and finished at 1:00AM -- including all of the clean up. It took a bit longer than expected, but I wasn't exactly efficient.The picture below on the right is my attempt to keep the mash at it's optimal temperature (150-158 degrees). I wrapped the whole mash tun in a blanket, and then put another pot over the top. Who knows how much this helped, but I did manage to keep it in the optimal temperature range for 1 hour and 15 minutes.

From Andy, who happened to brew an IPA on the same night:

"My original gravity came in at 1.080 which means that if I get the expected attenuation of 73-77% (attenuation is calculated as [(OG-FG)/(OG-1)] x 100) then my final gravity should come in around 1.022 and my beer will have an alcohol by volume of 7.6%, (1.080 - 1.022) * 131. A VERY respectible IPA."

Given this calculation, my final gravity should be around 1.020 with an alcohol volume of 7.2%. Not too shabby.

Here's the recipe:

Grain:
8lbs English Pale Maris Otter Malt
4lbs US Rye Malt
1lb. German Munich Malt
1lb. Crisp Caramunich Malt 15L
.5lb German light crystal malt

Hops:
1oz. Chinook 60 minutes
2oz. Crystal 60 minutes
1oz. Chinook 30 minutes
1oz. Amarillo 10 minutes
1oz Chinook 10 minutes
-----------
1oz. Chinook - dry hop
1oz. Amarillo - dry hop

Wyeast 1028 London Ale Yeast

For the most part, the process went smoothly. I picked up a few tips for my next batch:



 

Posted by mark at November 17, 2005 12:29 PM Subscribe (FeedBurner)

Comments

I'm not hardcore enough to do an all grain mash (mostly I'm too cheap to buy the right gear), but I can relate to the airlock problem. Those stupid things have a mind of their own.

Posted by: alan at November 17, 2005 11:52 PM

So the next thing you're going to do is apply your new skills to your chosen field - and come up with one of these:

http://www.ucomics.com/thefifthwave/2005/11/13/
right? *heh*

Posted by: Nathan at November 18, 2005 4:49 PM

Thanks Nathan, that's my kinda computer. Perhaps that's a TCP/IPA. ;-)

I'd love to take credit for this, but my friend and coworker Randy coined that name earlier this week.

Posted by: Mark Veerman at November 18, 2005 7:15 PM

The final gravity weighed in at 1.018, so that should give me 7.4% ABV. The dry hopping in the primary really fouled up the racking process as the drain spout on my primary got clogged up. However, it seemed to taste pretty good, so I'm excited. I'll probably put it in the keg later this week.

Posted by: Mark Veerman at November 30, 2005 7:03 PM

way too much math for beer.

mmmmm... beeeer.

Posted by: Nate at December 18, 2005 3:44 PM

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