Membership questions? Log in issues? Email info@brewersassociation.org

Author Topic: Premature Fermaculation!  (Read 4787 times)

Offline denny

  • Administrator
  • Retired with too much time on my hands
  • *****
  • Posts: 27090
  • Noti OR [1991.4, 287.6deg] AR
    • Dennybrew
Re: Premature Fermaculation!
« Reply #15 on: June 10, 2017, 09:59:51 am »
Obviously the BS prediction has been improved since the last time I used it!  Good to know.  And of course, the FFT is always a good idea.

Yeah, I've been consistently impressed by how good it is...that said, I have spent some time calibrating various values on my end (mash efficiency, boil-off, mash tun dead space, etc.) over a few batch, so that initial effort paid off.

So if you make the same recipe with say, 5% crystal vs. 30% of the same crystal, the FG predictions somehow can compensate for that? 
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

"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts." - Bertrand Russell

Offline Andy Farke

  • Brewer
  • ****
  • Posts: 472
  • Homebrewing Paleontologist
    • Andy's Brewing Blog
Re: Premature Fermaculation!
« Reply #16 on: June 11, 2017, 08:20:46 am »
Obviously the BS prediction has been improved since the last time I used it!  Good to know.  And of course, the FFT is always a good idea.

Yeah, I've been consistently impressed by how good it is...that said, I have spent some time calibrating various values on my end (mash efficiency, boil-off, mash tun dead space, etc.) over a few batch, so that initial effort paid off.

So if you make the same recipe with say, 5% crystal vs. 30% of the same crystal, the FG predictions somehow can compensate for that?

Good question! I did a pair of mock recipes--one with 80% 2-row and 20% crystal 80, and another with 77% crystal 80 and 23% 2-row, both of which had a calculated original gravity of 1.050. BeerSmith indicated them each having a final gravity of 1.011. So, it looks like BeerSmith doesn't adjust for fermentability of crystal malt and the like.

I suspect this quirk hasn't been a major issue for me because I'm generally not brewing beers with a high percentage of unfermentables malts (I'm usually doing recipes with <15% crystal/roasted/unfermentable malt, and most of my recipes are under <10%).

Anyhow, fascinating--I learned something today!
____________________________
Andy Farke, Homebrewer and Paleontologist
Website: http://www.andybrews.com
Twitter: @andyfarke
Facebook: Farke Brewing

Offline a10t2

  • Official Poobah of No Life. (I Got Ban Hammered by Drew)
  • *********
  • Posts: 4696
  • Ask me why I don't like Chico!
    • SeanTerrill.com
Re: Premature Fermaculation!
« Reply #17 on: June 11, 2017, 11:25:59 am »
So if you make the same recipe with say, 5% crystal vs. 30% of the same crystal, the FG predictions somehow can compensate for that?

AFAIK, it takes a standard attenuation for each strain and adjusts based on mash temperature. It does separately account for the fermentability of sugars though.
Sent from my Microsoft Bob

Beer is like porn. You can buy it, but it's more fun to make your own.
Refractometer Calculator | Batch Sparging Calculator | Two Mile Brewing Co.

Offline Joe Sr.

  • Official Poobah of No Life. (I Got Ban Hammered by Drew)
  • *********
  • Posts: 4467
  • Chicago - NORTH SIDE
Re: Premature Fermaculation!
« Reply #18 on: June 11, 2017, 06:17:27 pm »
I would say it's a tool like all others.

Good tools help but they don't make the carpenter.
It's all in the reflexes. - Jack Burton

Offline Phil_M

  • Senior Brewmaster
  • ******
  • Posts: 1760
  • Southern Maryland
Re: Premature Fermaculation!
« Reply #19 on: June 12, 2017, 03:37:10 pm »
Is this all in Beersmith 2.0?

If so I may finally upgrade...
Corn is a fine adjunct in beer.

And don't buy stale beer.

Big Monk

  • Guest
Re: Premature Fermaculation!
« Reply #20 on: June 12, 2017, 06:32:24 pm »
Is this all in Beersmith 2.0?

If so I may finally upgrade...

Don't do it! I'll custom make you a spreadsheet before I allow you to be tainted by BS! (I kid, but I do love my Excel )

Offline Joe Sr.

  • Official Poobah of No Life. (I Got Ban Hammered by Drew)
  • *********
  • Posts: 4467
  • Chicago - NORTH SIDE
Re: Premature Fermaculation!
« Reply #21 on: June 12, 2017, 08:13:44 pm »
Again, excel is a great tool. I use it everyday. Depending on your desires and expertise you can set up awesome spreadsheets.

Beersmith is already set up. I'm happy to use it so I don't have to think about it. Still some thought but for real most part it's plug and play.

For the record I have not delved into the depths of Beersmith. I use it surface deep at best. But I've got some awesome financial models I can share in excel...
It's all in the reflexes. - Jack Burton

Big Monk

  • Guest
Premature Fermaculation!
« Reply #22 on: June 12, 2017, 08:20:14 pm »
Again, excel is a great tool. I use it everyday. Depending on your desires and expertise you can set up awesome spreadsheets.

Beersmith is already set up. I'm happy to use it so I don't have to think about it. Still some thought but for real most part it's plug and play.

For the record I have not delved into the depths of Beersmith. I use it surface deep at best. But I've got some awesome financial models I can share in excel...

I've got some awesome beer software models I can share in excel...

I'm just goofing around. At the end of the day I stayed with spreadsheets because it allowed me a level of control and content just not available in off the shelf software.
« Last Edit: June 12, 2017, 08:27:53 pm by Big Monk »

Offline Joe Sr.

  • Official Poobah of No Life. (I Got Ban Hammered by Drew)
  • *********
  • Posts: 4467
  • Chicago - NORTH SIDE
Re: Premature Fermaculation!
« Reply #23 on: June 12, 2017, 08:52:21 pm »
It would be too much like work.

I like to get away from work as much as possible.
It's all in the reflexes. - Jack Burton

Big Monk

  • Guest
Re: Premature Fermaculation!
« Reply #24 on: June 12, 2017, 08:58:13 pm »
It would be too much like work.

I like to get away from work as much as possible.

I hear you. I use it at work too.

This is the latest beta version for Bryan:


Offline Andy Farke

  • Brewer
  • ****
  • Posts: 472
  • Homebrewing Paleontologist
    • Andy's Brewing Blog
Re: Premature Fermaculation!
« Reply #25 on: June 12, 2017, 09:58:24 pm »
It would be too much like work.

I like to get away from work as much as possible.

I hear you. I use it at work too.

This is the latest beta version for Bryan:


OK, that spreadsheet is a thing of beauty! Nicely done. There is certainly something to be said with tailoring the whole ball of wax to one's own personal brewing system and procedures!
____________________________
Andy Farke, Homebrewer and Paleontologist
Website: http://www.andybrews.com
Twitter: @andyfarke
Facebook: Farke Brewing

Offline Joe Sr.

  • Official Poobah of No Life. (I Got Ban Hammered by Drew)
  • *********
  • Posts: 4467
  • Chicago - NORTH SIDE
Re: Premature Fermaculation!
« Reply #26 on: June 13, 2017, 08:33:35 am »
I'm definitely a slacker.
It's all in the reflexes. - Jack Burton

Offline Wilbur

  • Brewmaster
  • *****
  • Posts: 876
Re: Premature Fermaculation!
« Reply #27 on: June 13, 2017, 08:49:04 am »
It would be too much like work.

I like to get away from work as much as possible.

I hear you. I use it at work too.

This is the latest beta version for Bryan:



That's pretty sweet! I made my own, and switched to Beersmith at some point. I like having it available on my phone. On the other hand, I don't love Beer Smith's interface. I feel like a lot of it is not intuitive, and while there are a ton of writeups and video's on how to use it, I don't feel like it's something you should need to have training on. I might need to take a second look at mine, maybe include a tasting notes section.

Offline Pastamassima

  • 1st Kit
  • *
  • Posts: 8
Re: Premature Fermaculation!
« Reply #28 on: June 15, 2017, 08:07:18 am »
Ladies and gents,

I sat on the porter for three more days, ramping it up from 69 to 72 degrees and it dropped to a happy 1.020. I  bottled it after three days of steady twenty and it smells and tastes great.

I'm still waiting on the gallon of BE-256 beer, which was already primed. I'll finish that tonight and let you know how it went.

thanks again for this terrific, and educational, thread.

Christophe

Offline BrewBama

  • Official Poobah of No Life. (I Got Ban Hammered by Drew)
  • *********
  • Posts: 6048
Re: Premature Fermaculation!
« Reply #29 on: June 15, 2017, 11:51:05 am »
It would be too much like work.

I like to get away from work as much as possible.

I hear you. I use it at work too.

This is the latest beta version for Bryan:



Wow.  Very nice work.


Sent from my iPhone using Tapatalk