Author Topic: Efficiency for no-sparge?  (Read 10318 times)

Offline kgs

  • Brewmaster
  • *****
  • Posts: 771
  • Sonoma County, CA
    • View Profile
Re: Efficiency for no-sparge?
« Reply #60 on: November 05, 2011, 09:45:44 AM »
I saw a comment to a post about no-sparge on the Basic Brewing FB page where the commenter said he mashed at his usual grain/water ratio but added the remaining water as a mash-out, then drained. I'm not a mash-out believer, but it's an interesting twist.

Though all this talk about efficiency is reminding me that there is a movement afoot to name 11/11/11 Nigel Tufnel Day... "Mine goes to ELEVEN!"
K.G. Schneider
AHA Member

Offline malzig

  • Brewer
  • ****
  • Posts: 466
    • View Profile
Re: Efficiency for no-sparge?
« Reply #61 on: November 05, 2011, 10:18:10 AM »
I saw a comment to a post about no-sparge on the Basic Brewing FB page where the commenter said he mashed at his usual grain/water ratio but added the remaining water as a mash-out, then drained. I'm not a mash-out believer, but it's an interesting twist.
I have added all the water in the beginning, on occasion, but most of the time I add a portion of the water late in the mash as a step up to an alpha amylase in the 158-162°F range.  That may be helpful for getting your conversion up into the 90%+ range.  A "mashout" may help do the same thing before the enzymes are denatured.

Offline a10t2

  • Official Poobah of No Life.
  • *
  • Posts: 3833
  • Ask me why I don't like Chico!
    • View Profile
    • SeanTerrill.com
Re: Efficiency for no-sparge?
« Reply #62 on: November 05, 2011, 01:24:01 PM »
The only variable is the pre-boil volume. At 5.5 gal, it'll be ~66% efficiency. At 7.5 gal, it's ~76%. Since you aren't compounding it with a second batch, the range is really pretty small.

Just still not following, why would a 5.5 gallon batch of 1.075 have a 66% efficiency and a 7.5 gallon batch a 76% efficiency. Are you assuming using the same amount of grist or something and just adding more and more water?

Those are both assuming 5 gal at 1.075 post-boil. The grist quantity changes when the efficiency changes - more boiloff means greater efficiency.

16.0 lb grist, 7.4 gal strike -> 5.5 gal of 1.068 wort (66% eff.)
13.5 lb grist, 9.1 gal strike -> 7.5 gal of 1.049 wort (76% eff.)

Somebody help me wrap my brain around all the stats for a 1.075 - 5 gallon finished batch size on a NO-SPARGE (meaning only drain the tun) which would have a 75% efficiency.

Most likely, you wouldn't want to get 75% efficiency on a 1.075 beer since it would require boiling off 1/3 of the pre-boil volume. With a more typical pre-boil volume (6.5 gal), the efficiency would be ~71%.
« Last Edit: November 05, 2011, 01:30:59 PM by a10t2 »
Sent from my Microsoft Bob

Beer is like porn. You can buy it, but it's more fun to make your own.
seanterrill.com/category/brewing | twomilebrewing.com

Offline noonancm

  • Cellarman
  • **
  • Posts: 35
    • View Profile
Re: Efficiency for no-sparge?
« Reply #63 on: December 22, 2011, 04:24:05 PM »
I realize that it has been a while since this thread developed but: What is the difference between no-sparge method as described in BYO and "Brew-in a-bag method made popular in Australia?

Offline denny

  • Administrator
  • Retired with too much time on my hands
  • *****
  • Posts: 14113
  • Noti OR [1991.4, 287.6deg] AR
    • View Profile
    • Dennybrew
Re: Efficiency for no-sparge?
« Reply #64 on: December 22, 2011, 04:29:27 PM »
It all depends on if you sparge the bag in BIAB.  Some do and some don't. 
Life begins at 60.....1.060, that is!

www.dennybrew.com

The best, sharpest, funniest, weirdest and most knowledgable minds in home brewing contribute on the AHA forum. - Alewyfe

Offline malzig

  • Brewer
  • ****
  • Posts: 466
    • View Profile
Re: Efficiency for no-sparge?
« Reply #65 on: December 22, 2011, 05:14:18 PM »
It all depends on if you sparge the bag in BIAB.  Some do and some don't. 
The other side of that being that you don't need to use a bag to do No Sparge.

Offline weithman5

  • Senior Brewmaster
  • ******
  • Posts: 1681
  • naperville, il
    • View Profile
Re: Efficiency for no-sparge?
« Reply #66 on: December 22, 2011, 07:34:20 PM »
some people who use a bag just put the bag in all the water needed heat it up rest, then boil.  i tend to use typical mash ratios then pull the bag and rinse.  i do small batches so i don't need a big heavy bag.  fundamentally it is similar to mashing i a tun
Don AHA member

Offline kgs

  • Brewmaster
  • *****
  • Posts: 771
  • Sonoma County, CA
    • View Profile
Re: Efficiency for no-sparge?
« Reply #67 on: December 27, 2011, 07:46:39 PM »
some people who use a bag just put the bag in all the water needed heat it up rest, then boil.  i tend to use typical mash ratios then pull the bag and rinse.  i do small batches so i don't need a big heavy bag.  fundamentally it is similar to mashing i a tun

I do small batches and that's still too much of a bag of wet grain to deal with.
K.G. Schneider
AHA Member