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Getting the most out of grain

Discussion in 'Partial Mash Brewing' started by feralbass, 14/9/16.

 

  1. feralbass

    Well-Known Member

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    Posted 14/9/16
    I folks,

    Looking to start BIAB brewing after years of kits and bits.
    Currently building my new cooker.
    Trying to get the best information I can before I get started.
    When I use grains I avoid squeezing the finished grain.
    I have read several postings where guys that BIAB squeeze the grain to get more out.
    The question i have is, do you squeeze or just drain?

    Cheers, John
     
  2. BradG

    Well-Known Member

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    Posted 14/9/16
    I recently did my first BIAB, first all grain. I drained over a bucket (hanging from a door knob. Thanks bribie) while waiting to get urn to boil. Did a small squeeze, and a token 1litre hot water sparge. I don't think too critical as biab is at a higher mash ratio so the hold up in the grain is not super concentrated like a thicker mash
    Next time I'll just drain.
     
  3. yankinoz

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    Posted 14/9/16
    Squeeze. I've often tasted BIAB free runs and squeezings. No difference. It might matter if your pH and temp are high enough that extracting astringency is a problem, but that shouldn't be the case.

    Sparging's a bit different. Squeezing might extract astringency because of long total contact, especially if you sparge warm (I don't).
     
  4. TowelBoy2013

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    Posted 10/2/17
    I squeeze now, never detected any astringent or off-flavours
     
  5. earle

    Choc wheat fiend

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    Posted 10/2/17
    Another BIAB squeezer here with no astringency or off-flavours
     
  6. nosco

    Well-Known Member

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    Posted 12/2/17
    Dont listen to anything negative that American sites say about biab. They are not speaking from experience. I used to squeeze the bag but cant be bothered now. The tiny bit of extra wort you get is negligible. Now i hoist it up and let it sit over the pot while it gets to the boil.
     
    1 person likes this.
  7. Zorco

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    Posted 12/2/17
    Getting the most out of grain...

    Own 9 chickens.
     
    4 people like this.
  8. Stouter

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    Posted 14/2/17
    I'm in the 'gentle and affectionate squeeze' party.

    A slow incremental bag raise, now thoughtfully aided by this bit of over engineered kit -

    [​IMG]

    and a loving embracing squeeze at the end.
    It is Valentine's day after all. :)
     
    2 people like this.
  9. Moog

    BIAB-ER

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    Posted 14/2/17
    I squeeze hard and get as much as I can, Lately I'm hitting 80% efficiency with BIAB.
    No astringency, and very clear wort, and beer, (double IPA)
     

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