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Topics - gtoothaker

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Wood/Casks / Plastic Firkins
« on: May 21, 2010, 09:06:25 AM »
Hi all,

I just got an email from UK Brewing (no affiliation) about the availability of plastic firkins.  Does anyone have any experience with these or any opinions? They cost less new than SS (100 vs 175) and I've had a hard time coming across used firkins, or pins for that matter.

Thanks in advance for your thoughts.

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Yeast and Fermentation / Where are the fruity esters coming from?
« on: March 15, 2010, 10:02:48 PM »
I'm trying to figure out where the fruity ester taste of the batch I currently have fermenting came from. 

I brewed a Munich Dunkel a few weeks ago (2/20).  10 gallon all grain.  18lbs of Munich 10l, 5 lbs Munich 25l. 

Mash Schedule:
Infuse 5.75 gallons dough-in rest at 95 F 15 mins
Infuse 4 gallons rest at 134 Ffor a 30 min rest
Pull 4 gallons of a thick mash boil 30 min
Add back to main mash rest at 149 F 25 min
Pull 4.75 gallons of medium thick mash and took it to boil in about 15 minutes
Add back to mash rest at 158 F for 30 min (iodine test showed complete conversion)
Pulled 4 gallons of very thin mash brought to a boil mash out at around 165
This was my first decoction since some equip changes, I missed a few temps.

I boiled 90 minutes, added 2 oz Hallertau for 60, 1 oz Tettnanger for 30.  Whirl pooled and cooled via CFC in about 15 mins to 58F. OG was 1.070, my efficiency was better then expected (1.056).  I allowed it to sit overnight and cool to 50.  Transfered off cold break and pitched a 2000ml starter of WYeast Munich Lager @ 65F.  The started was started 2 days prior and I pitched the whole thing, liquid and all.  Two 5 gallon glass carboys. Steady ferment, beer in a fridge @ 48 - 50 F.  A few days ago on sampling gravity (down to 1.028) I picked up a medium fruity ester.  I will never pitch the liquid from a starter again, I have decanted two batches since then, but could that overpower the entire batch?  My gravity is currently at 1.024 and I've taken the beer up to 55 for a diacetyl rest.  Once my gravity gets below 1.016 I plan to start lagering. 

Any other thoughts? I was expecting very malty, not very fruity. 


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