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Need larger fermenter

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Craigweiser

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Joined
May 8, 2011
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Location
Milwaukee
I brewed a 5.5 gallon imperial stout with 1.115 OG. 2nd time I've lost a gallon or more of wort to the blowoff tube. I tried fermcap which did not help. Is the blichmann conical fermenter the only way to to go for extra fermenting space? Maybe fermenting in the mid 60s would have helped.
 
One of my professional friends who is head brewer at a local place said, even with 6.5 gallon carboys, I should still use a blow-off tube and, in some cases, you will lose some beer. I did a 4.5 gallon batch single hop Imperial IPA (around 9-10%) and, in the 6.5 gallon carboy, I still had some insane krausen that took up all head space and started going into the airlock so I switched to a blow-off. I lost less than I did before when I lost a full gallon of beer..same recipe in the 5 gallon carboy but still lost some so nothing is perfect.

I'm looking at those big conicals but $35 for carboy versus $1200 for a conical. I don't mind losing a gallon of beer from time to time for the cost savings.
 

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