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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Building a Yeast Collection
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Old 01-25-2012, 02:15 AM   #1
MKEbrew
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Default Building a Yeast Collection

I don't have an autoclave & SWMBO is quite against me obtaining or using one; citing danger, calibration, blah, blah, blah.

I want to build up a small supply of yeast. I want to wash yeast & slant yeast. Do I need to just ignore her and move forward, or do I have other options?

I've already thought of telling her "its not a pressure cooker, its an autoclave" but I don't think that will get me anywhere.

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Old 01-25-2012, 02:18 AM   #2
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I don't understand. IS she against pressure cookers?

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Old 01-25-2012, 02:50 AM   #3
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Did she have a bad accident with a cooker? Controlling purchasing over irrational fears is unhealthy. Speaking from experience.
If you can afford one, and this is your hobby, do it. Understanding the safe use of anything, whether it's a steam iron or a gun, is the key.

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Old 01-25-2012, 04:49 AM   #4
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I use a low pressure cooker, its called a Wearever Chicken Cooker. It peaks around 5 psi. Since it doesn't get to 15 psi, I use a sterilization method called "tyndallization." Works for me. I use this method because right now I can't justify a couple hundred bucks for a big boy pressure cooker. I picked the Cooker up at a garage sale for 5 bucks. I always see em around....

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Old 01-25-2012, 01:39 PM   #5
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Quote:
Originally Posted by pabloj13
I don't understand. IS she against pressure cookers?
Yes. Because they can explode.
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Old 01-25-2012, 01:42 PM   #6
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Pelipen, I do agree it's unrational. I figured I'd seek an alternative before continuing my argument.

We do own guns. Also, dogs bite & I let her get one of those

This ain't over.

Thanks for the feedback.

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Old 01-25-2012, 01:54 PM   #7
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You can get by without a pressure cooker; but you should examine your cultures under the microscope to make sure you are not picking up spores. Once you see spores or anything else that doesn't look like yeast, reculture it.

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Old 01-25-2012, 03:22 PM   #8
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Irrational opinions (irrational fears included) are just that- irrational.

You can't use logic our rational argument against them, by definition.

That said, I think I heard somewhere that high temp, long duration dry heart can sterilize as well, but I can't remember the source. 2 hours at 350, as I recall. Our you could use tyndallization- google is your friend there.

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Old 01-25-2012, 03:34 PM   #9
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Quote:
Originally Posted by MKEbrew View Post
Yes. Because they can explode.
Modern Pressure Cookers have so many safety releases and blow offs installed They are perfectly safe unless you modify them. I am sure UL has more then a few certified models.
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Old 01-25-2012, 04:20 PM   #10
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Quote:
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Modern Pressure Cookers have so many safety releases and blow offs installed They are perfectly safe unless you modify them. I am sure UL has more then a few certified models.
I just used my pressure cooker for the first time last night. First, the handle has a latching mechanism preventing you from opening it while it has any pressure. Secondly, the 15 pound weight has a load of vents on it meaning if you are just boiling plain water, it will never clog. Thirdly, it has a rubber blow out stopper that if the vent does clog, this plug will burst releasing the pressure. There are so many safety mechanisms I am not sure you'd even be able to deliberately make the thing explode.
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