Saturday, March 28, 2009
We got the funk - DRB experimental batch #1: Sour Beer
Almost two weeks ago now, I brewed my first experimentation beer. Sure, I've done partial experimental batches in the past, where I've upped a recipes grains or hops, but this batch, I made up completely. Here's the recipe and following are my thoughts on it:
OG: 1.076
31.5 IBU
16.0 SRM
German Pilsner Malt 10.00 lb
UK Pale Ale Malt 2.00 lb
Belgian Caramel Munich Malt 120 0.69 lb
German Munich Malt 0.62 lb
UK Black Malt 0.13 lb
My grain bill started off as an altbier type recipe, but I didn't have enough Munich to balance things out. To replace the Munich, I added a couple pounds of maris otter. The crystal 120 will give the beer a thicker caramel like character and the black I just added for color.
1/2 oz. Magnum 13% hops - I had this leftover from the Maibock batch. I didn't want a huge hop characteristic coming through on this beer, just something subtle in the background.
Yeast: recycled London Ale yeast (from the bitter) - made a starter with 4 oz. of DME - added the yeast cake from the bitter.
Also added Irish moss with 15 mins. left in the boil - as well as Yeast nutrient.
Now, the crazy part. After primary (it's been 10 days and there is still airlock activity), when I transfer to the secondary, I'm going to add a vile of White Labs Belgian Sour yeast (WLP655). This yeast includes Brettanomyces, Saccharomyces, and the bacterial strains Lactobacillus and Pediococcus. All bugs that will add some "funk" to my beer. The taste should be a slight acidic sour taste, and potentially over time, will add a stronger sourness to the beer. I'm not sure how long I'm going to let it age, I'll probably let it sit over the summer and check on it once a month to see how the taste is developing. My plan then will probably be to bottle the whole batch, drink a few here and there, but mainly sit on them even longer, to see what happens in the bottle after a year or so.
So that's that! One thing I heard about using these type of yeasts is, to keep equipment separate, otherwise all of my future beers will come out tasting like it. Glass shouldn't be an issue, but anything plastic could pick up the bugs. Luckily, i just scored a bunch of extra equipment from my neighbor, so I'll be able to mark these off and use them just for funk beers.
I'll post back on how this turns out. I'm pretty excited to see what will happen.
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1 comment:
i racked this to a secondary and added the Belgian Sour yeast on April 11th. http://www.flickr.com/photos/gorczyca/3431354637/
I'm going to let this one sit for, well, as long as it takes to sour up, which could be until late fall/winter.. or even into next year. I have a lot of carboys, so I'm finally able to do these kind of experiments. :)
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