Townes IPA

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Scooby

Post by Scooby » Fri Apr 25, 2008 11:18 pm

Vossy1 wrote:

The US-05 has certainly done it's job and the ales FG is 1004 and it's still glugging :shock: 8) ...albeit very slowly.
I make that 74.2% attenuation, so pretty much spot on.
I may be wrong (more than likely) but 48 to 04 works out to 91.3%
attenuation. I would have thought a 48 OG would finish at 12 with an
attenuation of 74.2% :-k

I am of course talking about apparent attenuation
that is usually quoted by yeast manufactures, not real attenuation.

Vossy1

Post by Vossy1 » Fri Apr 25, 2008 11:51 pm

I would have thought a 48 OG would finish at 12 with an
attenuation of 74.2%
So would I :roll:
I am of course talking about apparent attenuation
that is usually quoted by yeast manufactures, not real attenuation.
And I was talking 'real' as a apparent figure of 91.3 just can't be right, unless infected and there are no signs of infection.
My last few brews on the old system also had VERY low FG's.
A Broadsword with 1046OG finished at 1006 with SO4, 86.4% apparent.

For this reason I've started using the real figure, when it suits.
Either way the beer tastes great 8)

EDIT

Just checked my notes from the first time I brewed this recipe on the 11/06/07.
I used SO4 , OG 1045, FG 1006 = 86.1% apparent
Perhaps low fgs are just a quirk of this brew :?
I racked and fined this brew after 6 days to stop it going attenuating any further :!:

Vossy1

Post by Vossy1 » Sat Apr 26, 2008 6:46 pm

Well I've just opened the fermenter and it would appear the yeast likes it so much in there, it's not prepared to give up :lol:

Image

I've had a few partial yeast heads remain in the past but usually the bulk sinks. I've skimmed this little lot and fined with fresh isinglass but there's a hell of a lot of yeast in solution.

I took a trial jar sample this am and within 3 hours there was at least 5mm of yeast on the bottom!
It's also still bubbling through the fermenter every 20 seconds or so and whilst I had the lid off a few bubbles were still rising.
Lets hope the isinglass gets me somewhere near to racking :?

Vossy1

Post by Vossy1 » Sat Apr 26, 2008 7:05 pm

Cheers DaaB :wink:
I've not really paid much attention to the blurb on US-05 yet.
It arrived on brewday, I know it's popular in US pales so I thought what the hell :lol:
I'm fully expecting to have to fine this twice, there's that much yeast in suspension, just hope it doesn't scrub too much of the hoppiness.

EDIT pic of trial jar in a mo

Image

There are still bubbles rising off the yeast slurry in the trial jar :shock:
This beer is going to be soo dry, if it stops :roll:

Vossy1

Post by Vossy1 » Thu May 01, 2008 7:19 pm

After getting a steady reading of 1004 (far too low), I decided to fine this IPA on Saturday with freshly prepared isinglass.
Yesterday I took a trial jar sample and was disappointed to see it was as yeasty as the pre fined sample, however it did clear quite quickly and the yeast settled out.
Today I decided to rack the beer to corny...imagine my face when I took the lid of the fv to find this :shock:

Image

This US-05 is without doubt the hardest yeast I've ever had, regards dropping out.
I don't think I'll be using it again until I have the ability to crash cool when I've got the FG I want.
The beers racked now and hopefully the chilled environment of maturing will knock the yeast out of solution once and for all :?

stevezx7r

Post by stevezx7r » Thu May 01, 2008 11:19 pm

Good God man, that yeast is on steroids!

I've used the same yeast yesturday and planned on cooling in an attempt to get a crisper, lager taste. I'll have to whether I like it or not looking at your pics!

fivetide

Post by fivetide » Fri May 02, 2008 9:53 am

I'm currently going through the exact same experience! I reached target FG and it won't stop. It just gets more rampant by the day. My US-05 is from Barley Bottom but I suspect alien intervention, it's so powerful.

When I get a moment at lunchtime I plan to transfer into a secondary bucket and stick it in the cold for a couple of days. I also have some Condessa two-pack finings somewhere.

Vossy1

Post by Vossy1 » Fri May 02, 2008 12:31 pm

My US-05 is from Barley Bottom but I suspect alien intervention, it's so powerful.
So is mine, I wonder if Pauls culturing a new superstrain :-k :lol:

Remember to use a big stick to persuade it into the secondary :lol:

macleanb

Post by macleanb » Fri May 02, 2008 1:18 pm

Hi Vossy

Your thread has raised my bete noir - water treatment. From a my naive view, looks almost enough to start your own crstal growing set in that lot. How did you work out the amounts of the various salts you added (if thats a very long answer then please just ignore, and I'll re-visit in a year or so).



Cheers & ttfn benm

Vossy1

Post by Vossy1 » Wed May 21, 2008 11:57 pm

Sorry m, missed this post 1st time round :oops:

Right, this beers on tap tonight and it's still yeasty, and yes it's not matured until the 29/05. It was fined with fresh IG and then left at 1 deg c for a week and still no joy.

Is it me or does US-05 impart a brussel sprout type smell to ale.

I'm not too impressed with my first foray into US-05 territory, to the point where I'm considering not using it again.
I though this yeast was meant to leave a crisp clean taste to a ale, from what I'm tasting S04 does a far better job....unless you like sprouts :?

Redbloke

Post by Redbloke » Thu May 22, 2008 1:37 pm

I had read great things about US05, so much so that I purchased a couple of packets ready for my next brew (probably an IPA of some sort)
After what you have said Vossy I'm not so sure now, ... I'm not really into sprouts :(

coatesg

Post by coatesg » Thu May 22, 2008 2:56 pm

Not noticed that smell myself. Is it a cabbage-like smell...?

Mine has been in keg about a week too - it's dropped a lot clearer than it was when I racked it over, though certainly not dropped completely bright yet.

Parp

Post by Parp » Thu May 22, 2008 3:38 pm

I'm planning to use the bugger for the rest of the year, to see how it handles different ale styles.

My return to AG has been confirmed with an order to H&G and Barley bottom :)

When I first used it, it was slow to start, but then produced a lovely pancake, with not a lot of crap on the bottom.

1) Birkby bitter kit with added crystal and Northern Brewers (UK ones)
Fermentation was very slow to start compared with S-04 and seemed slower throughout.
The ale was cloudy, the malt whiff was certainly there, but the hops muted. The sediment that was left smelt fantastic.
No Sprouts. (Sprouts are DMS arent they ?)

I fined this with IG and its been left at room temp for a week - its still cloudy - tastes fine though.
I've moved it to a brewfridge at 11deg C.

2. Colne Valley Kit
No additions didnt even boil the cans.
The US-05 was uber slow to start and only managed a flimsy head with floc pockets here and there - beer was fermenting ok though.
The wort/beer has smelled fantastic throughout - and its kept its hop fruityness all the way.
7 days in the primary and its finished.

No Sprouts.

I'm going to leave it a few days longer before kegging.

I'll update as it happens....

coatesg

Post by coatesg » Thu May 22, 2008 3:48 pm

Parp wrote: No Sprouts. (Sprouts are DMS arent they ?)
That was what I was thinking :(

Vossy1

Post by Vossy1 » Thu May 22, 2008 5:55 pm

After what you have said Vossy I'm not so sure now
Don't be put off by what I said, try for yourself :lol:
I reckon it's a yeast smell whereas swimbo says it's sprouts, either way it's not the nice cascade aroma I was expecting :cry:
But it's stil drinkable :lol:

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