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"Who is John Galt?"

I understand why a pressure cooker would need a good seal to work properly, but I don't understand how not having a good seal could result in water leaking into my jars. I'm sure it's just a matter of me not understanding how a pressure cooker works. I was under the impression that a pressure cooker simply increases the pressure within the pot, thus allowing the water to boil at a different temperature.

GT

GorgeousTortoise, the water boils in the pot creating steam, you lock that steam in the pot (with a good seal) and it builds pressure. the pressure forces the steam into and around the jars but also keeps the water from splashing and bubbling up and around inside the pot and into your jars. an added benefit is that the steam is much hotter then the water and does a better job of steralizings your jars. A bad, leaking seal doesnt allow this to happen so it's more like a tightly covered pot then a pressure cooker.
hope this helps.

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sat in a tree for a while got my life back

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Lately I've been thinking about who's in charge and if they're looking down and laughing hard. And are they Aliens or robots or humanoids or gods, I think I'm just paranoid. FUCK IT LETS ROCK
Smashmouth Philosophy