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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Harvesting Rogue Yeast From Bottle
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Old 06-08-2011, 04:29 AM   #1
delvec28
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Default Harvesting Rogue Yeast From Bottle

In lieu of using a saved yeast cake (US-05) on my next batch, I decided to try harvesting Pacman yeast from two bombers - 1 Shakespeare Stout and 1 Northwestern Ale.

I don't have any fancy equipment, so I decided to use a 1-liter plastic bottle that was previously used for seltzer water. It's probably about 3/4 of the way full.

Instead of using tin foil, I sanitized the cap and put it on loosely, swirling as much as I can and closing the cap completely to shake it up every so often. Here's what it looks like after settling for about 20 minutes....



I have a few questions to those with more experience:

1) It's been about 48 hours, and I'm thinking of getting a 2-liter or gallon sized bottle to step up the starter. Should I do this soon or wait a couple more days to finish the initial fermentation?

2) How long can you keep a starter at room temperature before going to the fridge for longer-term storage?

3) My next brew should have an OG of around 1.075 so I want a good amount of yeast to pitch - how do I know when the starter is large enough?

Please help me out, this is my first time trying anything besides pitching re-hydrated dry yeast!


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Old 06-08-2011, 01:11 PM   #2
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Did you know Wyeast sells a Rogue pacman yeast? This seems like too much work when you can just buy it.

1. After 48 hours, you should be fine to start stepping up.
2. 4-5 is all I usually let it sit out for.
3. http://www.mrmalty.com/calc/calc.html


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Old 06-08-2011, 01:29 PM   #3
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Also, use a lower gravity wort (1.020) for stepping up, so you don't put too much extra stress on the yeast.
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Old 06-08-2011, 04:15 PM   #4
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Quote:
Originally Posted by Suthrncomfrt1884 View Post
Did you know Wyeast sells a Rogue pacman yeast? This seems like too much work when you can just buy it.

1. After 48 hours, you should be fine to start stepping up.
2. 4-5 is all I usually let it sit out for.
3. http://www.mrmalty.com/calc/calc.html
When and where can Pacman yeast be bought? I'd like to brew this weekend.
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Old 06-08-2011, 08:04 PM   #5
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Quote:
Originally Posted by Suthrncomfrt1884 View Post
Did you know Wyeast sells a Rogue pacman yeast? This seems like too much work when you can just buy it.

1. After 48 hours, you should be fine to start stepping up.
2. 4-5 is all I usually let it sit out for.
3. http://www.mrmalty.com/calc/calc.html
I did know they sell it, but this way is more FUN! I enjoy DIY whenever it can be done. As someone mentioned on a previous thread, you buy a bomber and you get the yeast for free...

Unfortunately I didn't take the OG of the wort when I poured it in, however I used 1/2 cup of DME in about 16 oz of water, and I poured in about 1-inch of the dregs from each bomber bottle, which I'd imagine would be about 4-5 more oz.

I'm going to crash cool and decant since the starter is very dark due to the stout.
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Old 06-08-2011, 08:50 PM   #6
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Thought Pacman was seasonal/private collection, and currently unavailable?
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Old 06-08-2011, 08:53 PM   #7
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I just bought some at my LHBS a week ago. They had several packs of it. It's available year round at some shops.
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Old 06-09-2011, 12:28 AM   #8
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Yes, Pacman is part of the private collection. My LHBS has some available though, so I'm assuming that wyeast still has stock of it.
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Old 06-09-2011, 12:48 AM   #9
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Quote:
Originally Posted by BigRob View Post
Thought Pacman was seasonal/private collection, and currently unavailable?
Austin Homebrew has it in stock:

http://www.austinhomebrew.com/produc...ducts_id=10839
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Old 06-09-2011, 07:43 AM   #10
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I just got a pack from Amazon, dated 5/2011 4.99 + shipping


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