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Author Topic: Help me finish off my Kolsch  (Read 5833 times)

Offline ndcube

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Help me finish off my Kolsch
« on: January 17, 2010, 10:53:47 am »
Starting OG 1.049.  Wyeast Kolsch yeast.

Pitched at 52F and fermented the same for 5 days.
Fermenting at 55F for the last couple of days.
SG is now 1.017 and there is still a quarter inch of Krausen.

I tasted the hydro sample and I couldn't find diacetly but it may be to sweet for me to tell.
Should I let it go in the mid 50's or warm it up into the 60's?

Also, should I let it completely finish before cold conditioning or leave a couple points before dropping the temp?

Thanks,

Offline majorvices

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Re: Help me finish off my Kolsch
« Reply #1 on: January 17, 2010, 11:19:08 am »
You are fermenting that thing way too cold. This is an ale, not a lager. I pitch mine around 56-58 and ferment around 60-62. Go ahead and warm up into the low 60s Definitely don't lager until fermentation is 100% complete.

Offline ndcube

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Re: Help me finish off my Kolsch
« Reply #2 on: January 17, 2010, 11:30:03 am »
Yeah, I'm switching over to lager yeast during the winter.  I guess I didn't remember how cold my basement gets from last year.

I think I posted about cold fermenting ales before. Other than taking longer and maybe not being as fruity, what are the negative effects?

Offline ndcube

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Re: Help me finish off my Kolsch
« Reply #3 on: January 17, 2010, 11:33:22 am »
Also, the low end of the range for that yeast is 56F according to WYeast which isn't too far off from where I was at.

Offline Beertracker

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Re: Help me finish off my Kolsch
« Reply #4 on: January 19, 2010, 10:56:27 am »
That's definitely not my favorite yeast for the style, but its real sluggish below 58F. I'd recommend fermenting warmer & lagering vs. forcing a slow, cold ferment. Just my 2-cents!  ;)
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Offline wilypig

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Re: Help me finish off my Kolsch
« Reply #5 on: January 19, 2010, 11:01:03 am »
The two biggest drawbacks to cold fermenting ale strains is the reduction of esters and the possibility of arrested or stuck fermentation. If you want less yeast profile then go cold but be careful you don't crash the yeast and end up under attenuated.
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Offline ndcube

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Re: Help me finish off my Kolsch
« Reply #6 on: January 19, 2010, 11:17:17 am »
It's finishing up now in the low 60's.  Should be almost done.

Do you have to use a "Kolsch" yeast for it to be considered a Kolsch or will a lager yeast work?

Offline blatz

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Re: Help me finish off my Kolsch
« Reply #7 on: January 19, 2010, 11:59:24 am »
Do you have to use a "Kolsch" yeast for it to be considered a Kolsch or will a lager yeast work?

yeah, you want those subtle fruity, winey aromatics.  if you use a lager yeast, its basically just a helles with wheat in it...
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Offline ndcube

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Re: Help me finish off my Kolsch
« Reply #8 on: January 19, 2010, 12:10:14 pm »
Do you have to use a "Kolsch" yeast for it to be considered a Kolsch or will a lager yeast work?

yeah, you want those subtle fruity, winey aromatics.  if you use a lager yeast, its basically just a helles with wheat in it...

So, not to nit-pick but what about this in the description: "...A pleasant, subtle fruit aroma from fermentation (apple, cherry or pear) is acceptable, but not always present..."?

Offline blatz

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Re: Help me finish off my Kolsch
« Reply #9 on: January 19, 2010, 01:11:45 pm »
[So, not to nit-pick but what about this in the description: "...A pleasant, subtle fruit aroma from fermentation (apple, cherry or pear) is acceptable, but not always present..."?

you are taking that out of context.  if you read through the rest of the description, I'd say you'd be hard pressed to get all of those characteristics with lager yeast.  Also, despite the guidelines saying 'not always present' it is what most judges and drinkers are looking for, right or wrong. 

IMO, this is just one of those styles where yeast strain selection can't be compromised.
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Offline ndcube

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Re: Help me finish off my Kolsch
« Reply #10 on: January 19, 2010, 01:21:52 pm »
Ah.  Thanks, blatz.  I'll have to find one of the commercial examples.

Offline Thirsty_Monk

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Re: Help me finish off my Kolsch
« Reply #11 on: January 19, 2010, 01:24:18 pm »
I recently find one German commercial example with red label (Sorry I forgot the name).
So you can buy them here. 
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Offline blatz

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Re: Help me finish off my Kolsch
« Reply #12 on: January 19, 2010, 01:27:13 pm »
I recently find one German commercial example with red label (Sorry I forgot the name).
So you can buy them here. 

Reissdorf.

Gaffel is another one (blue label).

Aside from that, its kinda tough, aside from regional microbrewery offerings.

Make sure they're fresh samples though - Kolsch does not travel well, and can be yeck when stale and old.
The happiest people don’t necessarily have the best of everything; they just make the best of everything they have.

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Offline ndcube

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Re: Help me finish off my Kolsch
« Reply #13 on: January 19, 2010, 01:28:43 pm »
Yeah, I was going to say that may be easier said than done.

I'm gonna save the yeast and brew it again at warmer temps anyway in a few months.

Offline Thirsty_Monk

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Re: Help me finish off my Kolsch
« Reply #14 on: January 19, 2010, 01:32:25 pm »
I recently find one German commercial example with red label (Sorry I forgot the name).
So you can buy them here.  

Reissdorf.

Gaffel is another one (blue label).

Aside from that, its kinda tough, aside from regional microbrewery offerings.

Make sure they're fresh samples though - Kolsch does not travel well, and can be yeck when stale and old.

Thank you for help.
Yes it can be tricky to get fresh sample.

Yesterday I had Czech Pilsner "Krusovice" that was brewed in May of last year :(
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