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Messages - The Beerery

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1
Don’t worry.  Mr. wizard and I went rounds and rounds about our recent article.  He would come back with edits that would literally blow my mind.  I.e.  oxygen solubility at boil is not zero. 


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2
Freshly bottled to a lab with orbisphere.


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3
Yeast and Fermentation / Re: Dry yeast cell count..
« on: February 17, 2018, 07:17:00 PM »
Which is the speculation..I guess I need to do it then?

I don't understand...if they've done it, why do it again?


 Because I don’t blindly follow something some one tells me.


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4
Kegging and Bottling / Re: Will a beer gun really improve my beer?
« on: February 17, 2018, 04:42:19 PM »
I was able to get 20ppb packaged with my beer gun, but I do some things differently so they can work.  I was also able to get 10ppb with a cpbf and a triple/purge vac.  The problem is with bottles is the caps leak. So the lower you can get into it, the longer you have in it. 


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5
Equipment and Software / Re: Picobrew Z
« on: February 16, 2018, 10:25:48 PM »
Geez for all that money, you could pay me to come brew for you, and HSA the F out of it.

6
General Homebrew Discussion / Re: Star San suck back
« on: February 16, 2018, 10:23:36 PM »
Totally closed except for that 900ppm of o2 left in a sanipurged keg. Sorry I had to be that guy. On the bright side.. It's better then the other way!

Dude, I use your purging method.   Got a better one?

I know, its better! but its not perfect.  The fermentation purge is probably your best bet, but even there I still cringe at the thought of transferring finished beer.

The "pros" can put a sankey keg though the same cycles as a bottle with a dual/triple purge/vac. Then can discard the first runnings/keg and not flinch. We don't have those luxuries, we usually have one keg that we can't put though those cycles and 5/10 gallons specifically allotted.

7
Kegging and Bottling / Re: CO2 Stratification
« on: February 16, 2018, 10:19:03 PM »
The problem with these types of "evidence" (and my quotes aren't suggesting this isn't real) has been touched on in these threads.  CO2 doesn't stratify perfectly, resulting in discrete layers of pure gases. (Those pesky Dalton and Henry fellows again.)  In purging a keg we want the gas in the keg, or at the interface with the beer, to be 100% CO2 and 0% O2.   In the situations variously cited involving burping lakes or other natural phenomena,  the CO2 concentration only has to rise above 3% to be lethal.  That may be in the neighborhood of the best you can get with stratification-based keg-"purging" strategies for all I know, though I don't have actual figures; suffice it to say, it is a concentration below 100%.  So yes, stratification is real, but a red herring with respect to the topic of keg purging.

Amen!

8
General Homebrew Discussion / Re: Star San suck back
« on: February 16, 2018, 10:17:55 PM »
Totally closed except for that 900ppm of o2 left in a sanipurged keg. Sorry I had to be that guy. On the bright side.. It's better then the other way!

9
Yeast and Fermentation / Re: Dry yeast cell count..
« on: February 16, 2018, 08:15:17 PM »
Which is the speculation..I guess I need to do it then?

10
Yeast and Fermentation / Re: Dry yeast cell count..
« on: February 16, 2018, 07:21:02 PM »
So instead of speculation... no one has just counted them?

11
General Homebrew Discussion / Re: Star San suck back
« on: February 15, 2018, 02:34:38 AM »
I would beg to differ on them being more airtight.  I specifically use the plastic ones for yeast storage because I will dent/collapse metal lids,  but the plastic does not.  If I shake my yeast up in those with plastic lids I can hear it hiss out co2 as well.


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12
General Homebrew Discussion / Re: Closed transfer
« on: February 15, 2018, 12:24:05 AM »
I am sorry you are bent out of shape over this.  I even prefaced it.. You can resort to bad mouthing and whatnot.  That’s cool, if that’s your deal. 


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13
General Homebrew Discussion / Closed transfer
« on: February 14, 2018, 11:51:34 PM »
but I got two kegs of Crystal clear non oxidized beer

I am not trying to start a fight, I am genuinely interested.

Is this backed up by DO/tpo measurement or hopeful/wishful thinking?
Non-oxidized compared to what?
Industry standards or?
Seriously?


Uhhh yea.  You made the claim not me.  Just seeing if there was data to back it up. 

Is that no then? Which is fine, I was just curious if there was data. 

🤷‍♂️


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14
General Homebrew Discussion / Re: Closed transfer
« on: February 14, 2018, 09:42:55 PM »
but I got two kegs of Crystal clear non oxidized beer

I am not trying to start a fight, I am genuinely interested.

Is this backed up by DO/tpo measurement or hopeful/wishful thinking?
Non-oxidized compared to what?
Industry standards or?


15
Active yeast will consume all o2 injected within 2 hours of pitching (verified with a DO meter).

I've always wondered about that. It seems like there's always a supposition that yeast instantly grabs up available O2, but I've never heard any hard numbers. Did you take any measurements before two hours by any chance? I suppose it also very dependent on homogeneity of the wort/yeast/oxygen solution. It would probably depend on when during fermentation measurements were made.

Injected 8ppm

1hr 2ppm

2hr 0ppm

2.5m pitch rate with healthy active lager yeast at 45f.

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