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Loveshroomz777


Registered: 11/19/16
Posts: 616
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Mirro pressure cooker
#24036169 - 01/24/17 02:16 PM (7 years, 6 days ago) |
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So I read that I am supposed to let the PC vent for ten minutes or so before putting the weight on, what is the weight is it the thing that rattles? Can someone please help me out I don't understand this step thanks guys peace
-------------------- PEACE, LOVE AND PSYCHEDELICS
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FunGuyZ
Psilly Rabbit


Registered: 12/13/16
Posts: 177
Loc: down the rabbit hole
Last seen: 4 years, 9 months
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Yes the weight is what rattles. There is a vent to the side that will eventually close once it becomes pressurized. At that point put the weight on.
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Loveshroomz777


Registered: 11/19/16
Posts: 616
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Ok so I just found out that the thing that rocks is the weight now my question is when I turn the heat on high and the pressure is building up do I have the weight on at this time or do I put it on once the pressure builds up to 15 psi. By pasteurized do you mean it reached 15 psi
-------------------- PEACE, LOVE AND PSYCHEDELICS
Edited by Loveshroomz777 (01/24/17 02:21 PM)
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FunGuyZ
Psilly Rabbit


Registered: 12/13/16
Posts: 177
Loc: down the rabbit hole
Last seen: 4 years, 9 months
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Without the weight it won't build up to 15psi- that is what it is for. Just put it on before you turn the heat on.
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Loveshroomz777


Registered: 11/19/16
Posts: 616
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Re: Mirro pressure cooker [Re: FunGuyZ]
#24036203 - 01/24/17 02:27 PM (7 years, 6 days ago) |
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Ok so at what point do I and how do I let the PC vent for ten minutes
-------------------- PEACE, LOVE AND PSYCHEDELICS
Edited by Loveshroomz777 (01/24/17 02:28 PM)
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Grambo


Registered: 04/04/16
Posts: 212
Loc: Canaba
Last seen: 2 years, 11 months
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Re: Mirro pressure cooker [Re: FunGuyZ]
#24036223 - 01/24/17 02:35 PM (7 years, 6 days ago) |
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I have a 23qt mirro. I boil water in the kettle to make things quicker, add my equipment and lock the lid into place. Usually the safety valve on the handle will pop up from the slight pressure and I'm good to go.
Just note the time when it first spits and time the cooking/sterilization process from that point. Turn the burner down to the minimum heat as long as the thing goes off once every 30/60 seconds it is good.
Don't know what the waiting 10 mins to put the weight on instructions are about, I've read that lots too, but bottom line if that weight is moving it's doing what you want it to do.
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,889
Loc: Milky way
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Re: Mirro pressure cooker [Re: Grambo] 1
#24036243 - 01/24/17 02:46 PM (7 years, 6 days ago) |
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You need to vent to remove air. Otherwise you pressurize air and stream. If you know anything about partial pressures in gasses you'll know that you're not actually at 15psi of steam since some of those psi's are useless pressurized air.
Vent is important
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Loveshroomz777


Registered: 11/19/16
Posts: 616
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Re: Mirro pressure cooker [Re: Grambo]
#24036245 - 01/24/17 02:46 PM (7 years, 6 days ago) |
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What do you mean when it first spits
-------------------- PEACE, LOVE AND PSYCHEDELICS
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Loveshroomz777


Registered: 11/19/16
Posts: 616
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Ok so here's my take on pressure cooking
I put one inch of water Put the weight on let it build to 15 psi Once it reaches 15 psi bring the heat down so the weight slowly rocks back and forth Time for sixty minutes Can someone please correct me if I'm wrong Also how do I know when it has reached 15 psi it has reached 15 psi when it is steadily rocking correct
-------------------- PEACE, LOVE AND PSYCHEDELICS
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Grambo


Registered: 04/04/16
Posts: 212
Loc: Canaba
Last seen: 2 years, 11 months
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The mirro comes with 3 weights 5,10,15 psi, use the large one (should be stamped on it).
If this guy is telling you to vent first... do it! I am still a beginner and I have taken his advice and seen how he answers questions, he is very knowledgeable.
I never bothered with venting and admittedly don't understand what he means with that answer but better safe than sorry. Do that as it is heating up and steam is coming out the valve for 15 and throw on the 15psi weight.
The cooker has a plate that goes in the bottom. Fill with water till it is at the bottom of the plate so you don't boil it dry.
Sorry if I misled you.
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Grambo


Registered: 04/04/16
Posts: 212
Loc: Canaba
Last seen: 2 years, 11 months
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Re: Mirro pressure cooker [Re: Grambo]
#24036295 - 01/24/17 03:05 PM (7 years, 6 days ago) |
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Thanks Bod, I learned something again, didn't mean to be a source of misinformation.
By "spit" I mean when the rocker weight starts to spit steam.
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,889
Loc: Milky way
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The air we all breathe in is at 14.7psi at sea level. That's one BAR.
Co2 O2 N2 H2 as well as water vapor and helium argon etc..... All make up air.
The partial pressures add up to 14.7 but each gas itself has smaller individual pressures. So like trace gasses like neon make up 0.001psi of air for instance.
http://christianevidences.org/wp-content/uploads/2013/08/partial-pressures-1.jpg
Here's an example
So if you don't get all the air out of the pressure cooker you will have less than 15psi of steam even if the gauge says its at 15 or the weight jiggles.
The venting makes sure only water vapor exists in every crevice of your jars and all the volume in the pressure cooker.
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Loveshroomz777


Registered: 11/19/16
Posts: 616
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Re: Mirro pressure cooker [Re: Grambo]
#24036319 - 01/24/17 03:13 PM (7 years, 6 days ago) |
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Ok I got it just still don't know how to let it vent I think I'm supposed to turn the heat on with the weight off let it vent for ten minutes then put the weight on but I'm unsure can someone please correct me if I'm wrong I don't want to fuck up
-------------------- PEACE, LOVE AND PSYCHEDELICS
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,889
Loc: Milky way
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Yes, it's in the manual find the manual as a PDF online read it. You vent once steam is being made and steadily coming out of the hole the weight goes on set a timer for 5-10 minutes then put the weight on.
Dont use just one inch of water either use as much water as you can until the bottom layer of what you're sterilizing starts to float then take some back out so they don't float around.
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Loveshroomz777


Registered: 11/19/16
Posts: 616
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Awesome thanks man
-------------------- PEACE, LOVE AND PSYCHEDELICS
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,889
Loc: Milky way
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Then the weight goes on goes up to 15 heat goes down to maintain 15 for the time
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The_breadsticks
Stranger


Registered: 09/23/16
Posts: 220
Last seen: 3 years, 5 days
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Quote:
Loveshroomz777 said: Awesome thanks man
Turn the heat on. When the red button on the handle shoots up, you're good to put the weight on. Sometimes you need to give the red button a tap for it to shoot up. This button tells you when it's time to put the weight on, and also locks the lid in place.
The bigger red button not on the handle is the emergency pressure release, don't mind that.
I have the exact same PC. LOVE it. It's like an inch short of holding 10 quart jars though 
Also make sure to push the weight all the way down. It has an internal wire that keeps the weight from falling off, and you have to push down hard enough to get the ridge past the wire. If you look at the bottom of the weight, you will see what I mean.
-------------------- FREE TUMP
Edited by The_breadsticks (01/24/17 03:36 PM)
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,889
Loc: Milky way
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Never seen a 23q cooker that didn't hold three more ontop of the first layer of 7
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The_breadsticks
Stranger


Registered: 09/23/16
Posts: 220
Last seen: 3 years, 5 days
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Quote:
bodhisatta said: Never seen a 23q cooker that didn't hold three more ontop of the first layer of 7
I don't think mirro makes a 23, they're all 22 from what I've seen. At least that's what they make now for the cheap.
-------------------- FREE TUMP
Edited by The_breadsticks (01/24/17 03:39 PM)
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,889
Loc: Milky way
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Ouch. Bogus mirro get a presto
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