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In Focus: Antwerp Ale Yeast

WLP515 Antwerp Ale Yeast
Clean, almost lager like Belgian type ale yeast. Good for Belgian type pales ales and amber ales, or with blends to combine with other Belgian type yeast strains. Biscuity, ale like aroma present. Hop flavors and bitterness are accentuated. Slight sulfur will be produced during fermentation, which can give the yeast a lager like flavor profile.
Attenuation: 73-80%
Flocculation: Medium
Optimum Fermentation Temperature: 67-70°F
Alcohol Tolerance: Medium

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Reviews:

" ... excellent choice"
By: Jim Givens
Date: Dec. 7, 2009
Beers brewed: Belgian Honey-wheat, Golden, Pale Ale
Comments: If Belgium could lay claim to a WLP001 California Ale type of yeast, WLP515 Antwerp Ale could possibly be it. It ferments out clean-like (as Belgian yeast goes) and it displays favoritism to hops – simply use less, if you prefer, and the malt balance is there. It does a very good job at making refreshing lighter beers and they tend to taste better fresh as opposed to modestly aged – you may notice some spice or citrus zest adjustment is necessary in the recipe as the beer mellows. WLP515 is fairly active in the first generation and it is a relatively fast ferment once it gets underway and in successive generations. It consistently has a rocky kraeusen even if fermented lower than the recommended temperature range. It will ferment quite successfully at 48-50 degrees F and is surprisingly active in this temperature range – most other ale yeasts would seem pretty sleepy – and it is even faster than many lager yeasts in this range. But for fermentation time versus flavor profile WLP515 really shines at about 65 degrees F or so – this gives the most flavor bang for the buck. If you want lots of earth or fruit or banana or bubble gun or spicy phenolic flavors in your beer then this yeast will disappoint you – it’s much too tame for that. But if you are looking for “training wheels” for your friends experiencing the Belgian yeast foray for the first time then this one is an excellent choice.

"Can't wait to try to results!"
By: Anonymous
Date: Dec. 19, 2008
Beers brewed: Antwerp Abbey Ale
Comments: Fermented an all-grain batch with O.G. of 1.060 at 64-66F. Final result had a sharp, mildly unpleasant after-taste at 6 weeks that completely disappeared by 8 weeks, leaving a very tasty brew - wow! I'm looking forward to seeing how this one ages and definitely will use it again. In fact, I already have...I cultured it out of the dregs in two bottles, grew up a starter and pitched it on a tasty-sounding biscuit malt recipe. Can't wait to try the result!

"Fermentation proceeded excellently ... "
By: pbutler
Date: July 1, 2008
Beers brewed: Belgian Ale
Comments: What a fantastic yeast! Fermentation proceeded excellently and was problem-free, despite a fairly strong wort (o.g. 1.065). The yeast is only a little bit fruity and has a wonderful rich flavor, producing a smooth creamy-textured ale. I made an ale in the style of De Konink but it would also be great for a Kolsch. I fermented it at temperatures in the lower end of the recommended temperature range, after aerating the wort well. I used a starter culture. I recommend this yeast for a variety of styles, it is well worth seeking out.

" ... truly delicious"
By: Tony V.
Date: June 4, 2008
Beers brewed: IPA
Comments: I used this yeast to create two different batches of IPA that were truly delicious. Sulfur that is produced disappears completely leaving a clean balanced ale. The hops and the malt flavors meld together in harmony.

"The yeast performed excellently"
By: rjreusch
Date: Dec. 23, 2007
Beers brewed: Belgium Pale Ale
Comments: I used this yeast to produce a Dekoninck-like ale. The malt bill was primarily pilsner and Vienna malts with some small additions of specialty malts for color adjustment and complexity. Since it is described as "lager-like" and I wanted some of the subtle fruitiness of the Dekoninck, I tried what I think is a similar fermentation regime used by the brewery. I started in the mid 60s but then allowed the temperature to climb during fermentation to the mid to upper 70s. I then allowed the temperature to drop back to 70 degrees where I maintained it until fermentation ceased. I was hoping to coax a bit more character while still maintaining a fairly clean end result. The yeast performed excellently. The copious amounts of sulfur produced during fermentation were not present in the final product. Some mild fruitiness from the yeast was evident along with a small amount of spiciness (probably the Saaz hops used). If you want a subtle Belgium Pale Ale and not the more extreme, estery results from some other Belgium yeasts then this is an excellent choice.

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