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Thread: Whirlpooling in a combo mash/boil kettle with agitator

  1. #1
    Join Date
    Aug 2017
    Location
    Seattle, WA
    Posts
    5

    Whirlpooling in a combo mash/boil kettle with agitator

    I see this configuration in some german brewhouses where there are two vessels, one steam jacketed mash/boil kettle with an agitator and baffles and one lauter tun with rakes. My question is whether it is possible or even effective to whirlpool in the kettle. While I think you could feasibly spin the wort using the agitator, the baffles make it as turbulent as possible, which I suspect would disrupt the trub. Not to mention the turbulence from stopping the agitator. Does anyone run a brewhouse like this or know how folks operate them without a separate WP vessel?
    Thank you.

  2. #2
    Join Date
    Jan 2007
    Location
    Avon, OH
    Posts
    75
    I have this setup. The wort does whirlpool, but when you stop the paddles you get a blanket of trub on the bottom, instead of a trub pile. You get reduced yeilds on your final product due to loss in the kettle, it is really bad for IPA's with a lot of hops added to the boil. I have brewed a few 2x IPA"s and used hop extract at the bittering addition, and this helps.

    Jim Lieb
    Rocky River Brewing Co.

  3. #3
    Join Date
    Aug 2017
    Location
    Seattle, WA
    Posts
    5
    Quote Originally Posted by Jim Lieb View Post
    I have this setup. The wort does whirlpool, but when you stop the paddles you get a blanket of trub on the bottom, instead of a trub pile. You get reduced yeilds on your final product due to loss in the kettle, it is really bad for IPA's with a lot of hops added to the boil. I have brewed a few 2x IPA"s and used hop extract at the bittering addition, and this helps.

    Jim Lieb
    Rocky River Brewing Co.
    Thank you for the info! This confirms what I suspected. Glad to hear it's not impossible to work with though.

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