Introducing… the Spike FLEX!

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hootowl

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I usually only pull about 5-7 PSI, as I think that being gentle helps both the mead and the vessel. And I make sure to only do it on a relatively full vessel, as I am concerned about collapse. I know that there are folks who pull a hard vacuum on glass carboys successfully, so far I haven't had any issues. That's also what prompted me to get the gauge. I wanted to *KNOW* how hard I was pulling on it.

Also the tiny vacuum pump takes several minutes to pull down the pressure, so it's not an instant change.
Not sure what you mean by 5-7 psi vacuum? I guess you are referring to this...
 

videojunkie1208

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I may have been mis-reading the gauge. It's calibrated in inches of mercury not PSI.
So -10 inches of mercury is ~5psi below normal (~10 psi on your chart).
 

apache_brew

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Not sure what the angle is on the cone, but why not just weld a TC ferrule on the bottom and supply it with a cap? Add some simple leg extensions and you got a full blown unitank with the + gadgets.
 
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