Author Topic: maiden voyage white labs pure pitch  (Read 16680 times)

Offline hopfenundmalz

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Re: maiden voyage white labs pure pitch
« Reply #15 on: July 18, 2015, 06:37:11 pm »
WL has a credibility problem. Growing yeast in a pouch doesn't help that.
Am I missing something?
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Offline ynotbrusum

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Re: maiden voyage white labs pure pitch
« Reply #16 on: July 18, 2015, 07:27:26 pm »
WL has a credibility problem. Growing yeast in a pouch doesn't help that.
Am I missing something?

Maybe the trois blend issue with the Saccharomyces?
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Offline HoosierBrew

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Re: maiden voyage white labs pure pitch
« Reply #17 on: July 18, 2015, 07:30:55 pm »
Interesting as I have never had any issues with sanitation from the Wyeast packs.  But hey, when my LHBS gets some of the new WL pouches in, I am sure I will pick 'em up!

+1
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Offline hopfenundmalz

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Re: maiden voyage white labs pure pitch
« Reply #18 on: July 18, 2015, 07:34:23 pm »
WL has a credibility problem. Growing yeast in a pouch doesn't help that.
Am I missing something?

Maybe the trois blend issue with the Saccharomyces?

I thought of that after I typed the question. Must be it.
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Offline johnnyb

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Re: maiden voyage white labs pure pitch
« Reply #19 on: July 18, 2015, 08:57:16 pm »
Price?

same as vials. depending on LHBS...$6-$8

Damn, my LHBS is more like $12 for yeast.

These look pretty convenient, thanks for posting the info.

Offline tommymorris

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Re: maiden voyage white labs pure pitch
« Reply #20 on: July 19, 2015, 02:36:40 am »

WL has a credibility problem. Growing yeast in a pouch doesn't help that.
Am I missing something?

Maybe the trois blend issue with the Saccharomyces?
Why is that a credibility problem? According to the explanation from WL on line they changed the name of the product when they became aware of the true nature of that yeast.

Offline klickitat jim

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Re: maiden voyage white labs pure pitch
« Reply #21 on: July 19, 2015, 03:40:50 am »
The only credibility issue I can think of is the connection to Zainashef. LOL

Offline Steve Ruch

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Re: maiden voyage white labs pure pitch
« Reply #22 on: July 19, 2015, 03:34:42 pm »
Price?
same as vials. depending on LHBS...$6-$8
[/quote]
Damn, my LHBS is more like $12 for yeast.
[/quote]
Wow. Order several online and the cost of shipping is more than covered.
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Offline narvin

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Re: maiden voyage white labs pure pitch
« Reply #23 on: July 19, 2015, 09:10:32 pm »
I don't know if "purity" is an issue to worry about, but I bet it saves them money.  I personally hate the pouch form factor.

Offline reverseapachemaster

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Re: maiden voyage white labs pure pitch
« Reply #24 on: July 19, 2015, 09:50:04 pm »

WL has a credibility problem. Growing yeast in a pouch doesn't help that.
Am I missing something?

Maybe the trois blend issue with the Saccharomyces?
Why is that a credibility problem? According to the explanation from WL on line they changed the name of the product when they became aware of the true nature of that yeast.

Some of the early answers they gave was that they were aware it wasn't brett but labeled it as brett anyway. They only changed it after getting called out. Then suddenly there was a study they just happened to be doing to fix it.

Same people who looked at Trois took a look at their lacto offerings and found yeast. That's a problem for people trying to sour wort or beer.

Both of these issues have appeared in a matter of months. Who knows what other problems are floating around in their products. I don't know that growing yeast in a pouch is the solution. I'm not even sure for what problem it is a solution.
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Offline Wort-H.O.G.

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Re: maiden voyage white labs pure pitch
« Reply #25 on: July 19, 2015, 10:33:35 pm »
So far this single pouch pitch is performing almost identically to a vial pitched into starter and then pitched into wort. Lag times, fermentation and krausen activity. Little over 48 hours and going strong.

Finished product will be the next gate.

Curious and thinking about many yeast discussions on this forum. Starter, no starter, stir plate, no stir plate, health quality vs quantity....etc. will fresh healthy yeast in lower quantity perform as well or better then a stressed or less healthy larger quantity starter?  Interesting thoughts that lead me to give it a shot.


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Re: maiden voyage white labs pure pitch
« Reply #26 on: July 20, 2015, 07:54:27 pm »
What I like about the pure pitch technology is that it can maintain aseptic conditions all the way through packaging.  The old White Labs and the current Wyeast production processes, while very clean, are not fully aseptic.

Offline Wort-H.O.G.

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Re: maiden voyage white labs pure pitch
« Reply #27 on: July 20, 2015, 07:58:42 pm »
What I like about the pure pitch technology is that it can maintain aseptic conditions all the way through packaging.  The old White Labs and the current Wyeast production processes, while very clean, are not fully aseptic.

and your thoughts on fermentation with yeast in its healthiest/optimal state at lower volumes - for instance in this case one pure pitch pouch (all white labs says is at least 100B, so not sure how many) vs making a starter to get the target of 200B?
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Re: maiden voyage white labs pure pitch
« Reply #28 on: July 20, 2015, 08:27:48 pm »
As I have mentioned many times, yeast cultures are like nuclear weapons in that one only needs to be close to one's target.  The difference between 100B and 200B cells in a normal gravity fermentation is one replication period.  What matters is initial yeast health, and it appears that the product is living up to the hype.  I was impressed with how healthy the yeast looked in the brewery size pure pitch packages while visiting White Labs.

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maiden voyage white labs pure pitch
« Reply #29 on: July 21, 2015, 12:58:08 am »
As I have mentioned many times, yeast cultures are like nuclear weapons in that one only needs to be close to one's target.  The difference between 100B and 200B cells in a normal gravity fermentation is one replication period.  What matters is initial yeast health, and it appears that the product is living up to the hype.  I was impressed with how healthy the yeast looked in the brewery size pure pitch packages while visiting White Labs.

Yes I recall all of the discussions related to this and that's what pushed me to give this a shot.

Curious- do you have the means to get a count on a pure pitch pouch?


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Ken- Chagrin Falls, OH
CPT, U.S.Army
https://www.facebook.com/pages/Harveys-Brewhaus/405092862905115

http://braukaiser.com/wiki/index.php?title=The_Science_of_Mashing

Serving:        In Process:
Vienna IPA          O'Fest
Dort
Mead                 
Cider                         
Ger'merican Blonde
Amber Ale
Next:
Ger Pils
O'Fest