how to brew big – making high gravity beers：如何酿造大–高浓啤酒

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1、WhiskeyRowBrewClubHi-GravityTalkHowtoBrewBig–MakingHighGravityBeersbyBradSmithonMay9,2010·Wanttobrewthebiggestbeersandbarleywines?Lookingforhighgravityales?Thisweekwetakealookathowtobrewthebiggestbeers.I’mtalkingbarleywines,imperials,highendscotchaleandotherhig

2、hlyalcoholicbrews.PlanningyourBigBeerHighgravityalesstartoutwithabitofplanning.Homebrewingbigbeersisnotthesameasbrewingregularones.Forstarters,highgravityalesneedmalt,andlotsofit.UseatoollikeBeerSmithtoadjustyouroriginalgravitytomatchthestyleyou’rebrewing.Ifyou

3、arebrewingwithmaltextract,youmayneed50-100%morebasemaltthanyouusuallyuse.Adjustyourrecipetomatchthedesiredgravity.Forallgrainbrewersthesituationismorecomplex.Scalinguptheamountofgrainusedwhilekeepingthebatchsizethesameresultsinlowerbatchefficiency.Thisisbecause

4、youarespargingwithproportionallylesswaterperpoundofgrain.Whereyoumaygeta72%brewhouseefficiencywitharegularbeer,yourhighgravityalemayachieveonly60%.Asaresultyouneedtoloweryourestimatedbrewhouseefficiencywhenestimatingtheoriginalgravityofyourbeer.Thismeansyouwill

5、needmoregrainthanyouwouldgetbyjustscalinguparegulargravitybeer.BeerBalanceAsecondfactortoconsiderwhendesigningyourbigbeerisbalance.HerethebitternessratiowhichistheratiobetweentheoriginalgravityofthebeerandIBUsofbitterness,becomesveryimportant.Asyouaddmoremaltto

6、makeyourbeerbig,youneedtoaddproportionallymorehopstobalancethebeer.Otherwisethebigmaltwilldominateyourbeer,makingittoosweettodrink.Tooffsetthis,youneedtocalculatethebitternessratioofyourbeerandcompareittotheaveragebitternessratioforyourdesiredstyle.Bigbeersneed

7、bighops–itsnotunusualtohave50,75oreven100IBUsforabigbeerorbarleywine.BigBeerYeastWhileyoumaybetemptedtotossanyyeastintoyourbigbeer,manycommonaleandlageryeastsdonothavethetoleranceforveryhighconcentrationsofalcohol,whichcouldresultinastuckorincompletefermentatio

8、n.Ifyouarebrewingbig,pickayeast16WhiskeyRowBrewClubHi-GravityTalkstrainthatisspecificallydesignedforhighgravitybeer.Manybigbeerbrewersevenusemultipleyeaststrainsorchampagney