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Offline_blitzer
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Registered: 03/28/05
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Misrepresented temperatures associated with convection and conduction
    #4076584 - 04/20/05 12:57 PM (11 years, 7 months ago)

  7th grade, learned Physical Science.  Heat transfers by 3 methods, Conduction, Convection, Radiation.    :egg:

When you're pasturizing h-poo or PC'ing jars or a liter of agar, the temperature throughout the pot/PC'er is mostly controlled by convection of heat through air/steam/water. 

:idea::idea::idea::idea::idea::idea::idea::idea::idea::idea::idea:

At the bottom of the pot the pillowcase of hpoo is in direct contact with metal in direct contact with a burner.  Certainly, without a doubt, this results in a temperature of the hpoo (or jars, or whatever) being well in excess of the temperature you are shooting for.  :alert:

The heat being conducted through the bottom of the pot must be in excess of a thousand degrees.  :alert:

Seems to me this would be imperative to elevate whatever you are cooking, keep it from touching the bottom/sides of the pot. 

How relevant an issue does this seem to those with educated opinions?    :shrug:


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InvisibleNeedMoreSleep
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Re: Misrepresented temperatures associated with convection and conduction [Re: _blitzer]
    #4076596 - 04/20/05 01:01 PM (11 years, 7 months ago)

Common practice is to use the cooking rack that came w/ your PC, or to put a towel in the bottom...


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"Now, we must all fear evil men. But there is another kind of evil,
which we must fear most. And that is... the indifference of good men."
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Invisibleagar
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Re: Misrepresented temperatures associated with convection and conduction [Re: _blitzer]
    #4076614 - 04/20/05 01:08 PM (11 years, 7 months ago)

To pasturize......In a POT of water, you PRE/HEAT the water, you also place a dinner plate or 2 in the bottom of the POT, for this very reason. Pre/heating & a couple plates in the pot bottom do the trick, so you don't overheat whatever it is ..... you are pasturizing.

A PC has a grate in the bottom of it (or should).


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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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