HOMEBREW Digest #5879 Thu 27 October 2011


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	FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
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Contents:
  What does "Underlet" mean? (Dan Durrett)
  RE: What does "Underlet" mean? (Patrick Babcock)

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---------------------------------------------------------------------- Date: Wed, 26 Oct 2011 17:40:19 -0500 From: Dan Durrett <durrettd at cox.net> Subject: What does "Underlet" mean? I've heard the term, "underlet" before, but I don't remember what it means. Is it back-flushing the wort into the bottom of the lauter tun? Thanks for any clarification. Dan - -- Dan & Sonnie Durrett 586 L'Ombre Court Fort Walton Beach, FL 32547 Return to table of contents
Date: Thu, 27 Oct 2011 11:14:07 -0400 From: Patrick Babcock <patrick.babcock at gmail.com> Subject: RE: What does "Underlet" mean? Greetings, Beerlings! Take me to your lager... Dan Durrett <durrettd at cox.net> wonders what "underletting the mash" means... Underletting is to apply pressure into the foundation of the mash tun rather than on top of the loaded grist. The intent is to "float" the mash and help prevent compacting of the grist within the mash tun. When I still had time to brew, I would universally add hot liquor to the mash tun by this method: I would first flow hot liquor into the tun until it was several inches above the false bottom ("strike" water). I would then add my grist slowly, stirring to ensure no clumping, and adding more hot liquor from beneath the false bottom to keep the consistency of the mash loose enough to stir and mix. Once I was satisfied that all of the grist was wetted and that there were no dry pockets remaining, I would flow the remainder of my strike water in from beneath the false bottom, "cut" the mash a few times to help loosen it, then begin my recirculation for the remainder of the mash. Underletting can be used, too, to loosen a "stuck" or compacted mash. This can be done by reversing a recirculating pump while cutting the mash (preferred, if your pump can handle it, your strike water was sufficient for your desired mash thickness, and your mash is still in progress), or by adding some of your sparge water - again: from beneath the false bottom - while cutting. If underletting to relieve a stuck mash during runoff, be sure to recirculate a bit before restarting your sparge to re-set your filter bed. - - -- See ya! Pat "Bruno Moore" Babcock SE Michigan HBD Chief Cook & Bottle Washer Return to table of contents
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