[Homeroast] Vac Pot snap crackle pop

Dennis True dennist3 at gmail.com
Tue Mar 11 17:38:21 CDT 2014


I don't think it was bumped or damaged I tend to baby it but hey I got 6
years out of it so it was worth the $$$


On Tue, Mar 11, 2014 at 1:25 PM, Kirk Janowiak
<kirk at angelwoodcreative.com>wrote:

> Ben said it best. As a long-time user of glass labware, even in the best
> borosilicate glass, "shift happens" and old glassware will seem to
> "spontaneously" crack under normal use.
> So sad when an experiment is ruined or when you loose a batch of nicely
> roasted quality coffee.
>
> Kirk
>
> On Tuesday, March 11, 2014, Jason Brooks <brookswv at gmail.com> wrote:
>
> > I'm not necessarily the science type, but any 'stress' on the glass
> > recently (eg, bumped)? What kind was it?
> >
> >
> > On Tue, Mar 11, 2014 at 10:33 AM, Dennis True <dennist3 at gmail.com
> <javascript:;>>
> > wrote:
> >
> > > ok so my Vac pot which sees 5-7 pots a week off and on for the last 6
> > years
> > > was brewing a pot and everything was fine about 1/2 way thru the draw
> > down
> > > it started popping and snaps etc...     I pulled the top and got the
> > coffee
> > > I could out and took a look I now have a fat cresent crack on it
> > >
> > > I know we got some sciency types here can anyone tell me why this
> > happened?
> > >   grind was same as last 200 or so takes about 45 sec-1 min for draw
> down
> > >  heat was same stove on Med until water was 1/2 up then turned off and
> > the
> > > remainder coasts up  water is up for 1 min-1.5 min then I move it off
> of
> > > heat on to a cloth placemat  just like every day
> > >
> > > thoughts?
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