il Thu, 17 Feb 2005 07:55:06 -0600, Melba's Jammin' ha scritto:

> In article >, "Kathi Jones"
> > wrote:
>
> > I made the orange marmalade recipe (using seville oranges) the other
> > day from the Bernardin website www.homecanning.com and the following
> > is taken from the instructions:
> >
> > "Cover canner; bring water to a boil. At altitudes up to 1000 ft (305
> > m), process -boil filled jars - 10 minutes.* When processing time is
> > complete, turn heat off and remove canner lid. When boil subsides -
> > bubbles no longer rise to surface (3 to 5 minutes) - remove jars
> > without tilting. Cool jars upright, undisturbed 24 hours. DO NOT
> > RETIGHTEN screw bands"
>
> Sounds like CYA and The Idiot Factor to me.

Maybe some people don't know that metal contracts when cooling and if
overtightened would crack the jars.
--
Cheers,
Loki [ Brevity is the soul of wit. W.Shakespeare ]