Welcome to the homeBBBrew board!
Like the BBB, the homeBBBrew board is not a club, just a place to talk about making beer. Is there a swap you would like to see happen? If we can find a few others who have something similar then lets do it!

NO SPECIFIC REASON FOR THIS LINK...
I just really like the work levifunk is doing!

PASSWORD PROTECTION: READ THIS BEFORE POSTING!
YOUR BBB USERNAME AND PASSWORD WILL NOT WORK ON THIS BOARD! If you want to post, you need to read this.

HomeBBBrewBoard
HotLinks!
Brettanomyces Brewing
E-Symposium Transcript!

Trouble making Trappists?
Discover Liquid Candy Syrup!
See what color impact to expect from liquid candy.

Search for:
Author Replies
Al B
04/10/07 01:31 PM  
Talk me out of this Experiment!
So I was mulling over an experiment to do with bretts -

WY B. lambicus

WL B. clausenii

Fantome isolate

WY B. bruxellensis

WL B. lambicus

WL B. bruxellensis

Original Gravity

starting pH

CFU/ml (inoculum)

Testing Parameters:

1. temp. 70F and/or 80F ?

2. Wort O2 / no O2

3. Time (day 7, 14, 21, 28) - Specific Gravities and pH at each time period

4. Drink results and describe characteristics

Check my insanity and add comments/improvements/things I missed, yadda yadda yadda. Thanks!

Al B a mad scientist

Cisco
04/10/07 01:45 PM  
Re: Talk me out of this Experiment!
Looks like a simple six gallon experiment with one gallon dedicated for each strain, but actually you'll need 12 gallons if you want to try the O2/no O2. And if you want to test at 2 different temps then you'll need another 12 gallons. So now we're up to 24 gallons.

Well somebody has to do it and you seem very well qualified so get going!!

8^)

bstill
04/10/07 01:52 PM  
Re: Talk me out of this Experiment!
do it man, do it!
Mike T
04/10/07 01:56 PM  
Re: Talk me out of this Experiment!
Needless to say, Iím not talking you out of anything as interesting and informative as that experiment sounds.

If you can get your hands on it try Wyeast anomalous as well. I just got a pack but havenít tried it yet. The local homebrew shop operator said itís his favorite Brett for primary fermentations. I figure Iíll do another batch of Sebastianís sasion-ish thing and use anomalous instead of clausenii, so I have some base for comparison.

Speaking of which, a local pro-brewer really enjoyed my version of that beer at a recent homebrew club meeting. However, he was strangely convinced that there was (too much) coriander in there, when there was none at all.

Al B
04/10/07 02:08 PM  
Re: Talk me out of this Experiment!
Well, I'd probably break it down into 2 groups - and go with smaller volumes. My basement might explode.
Baums
04/10/07 02:37 PM  
Re: Talk me out of this Experiment!
Sounds pretty sick Al.

I agree with Mike that as long as you're going to all this trouble, it seems like WY anomalous would be interesting as well. And really, I'm not sure you need to vary any fermentation parameters at all to have a great experiment that lots of people will be really interested in.

One question is how to take those samples without letting too much oxygen into the fermentation vessels.

Al B
04/10/07 02:53 PM  
Re: Talk me out of this Experiment!
<<One question is how to take those samples without letting too much oxygen into the fermentation vessels>>

Purge with CO2 tank, I suppose. That's what I normally do.

I have an aquarium heater and an empty tank I can use a stable water bath. The pH meter is calibrated. I could use an O2 tank for aerating the wort initially.

I need to think of the population concentration. Probably just make a basic wort with extract - middle of the road gravity. details details........yeah, this is pretty sick. I might be able to get some anamolus soon. We'll see.

Baums
04/10/07 03:38 PM  
Re: Talk me out of this Experiment!
Yeah the pitch rate and aeration could go any number of ways, and still be interesting. Two ideas:

1. stirred or continuously aerated starters, 1/10 the size of your batches (however many CFUs that ends up being), no aeration. I think this is interesting because it may be the only practical way to get good primary ferments without aerating the wort.

2. starters aerated just once (by shaking), 1/10 the size of your batches (however many CFUs that ends up being), plenty of aeration. Interesting because it is similar to basic brewing practice for lots of homebrewers.

And to me, 70F seems like it would give the most valuable results since that's a temp any brewer can attain (and since there is not much reason to believe 70F is somehow worse than any other temp). Although, of course, the more temps the merrier.

Al B
04/10/07 05:50 PM  
Re: Talk me out of this Experiment!
Good point on the starters. That should be factored in.

<<>>

 
Return to Forum

Post a Reply
Your Name:
Subject:
Message Body:


 
   
Username

Password

Around Bruges in 80 Beers: 2nd Edition

Around London in 80 Beers

Around Brussels in 80 Beers


Babblebelt contributors in attendance: