Made with scalding water. They produce their own acid as they decompose.
Yes and while cooking this brine do not stand over it and breath it or you can burn the inside of your nose.
They produce their own acid as they decompose.
And that acid may have a chemical reaction to tin cans.
That is why the Polish use glass instead of cans.
Even while making the brine you shouldn't use metal pots that could be reactive to the brine.
Yes we have glass jars from Poland
And the Polish pickles that we in the U.S. imported from Poland are in glass jars also.
Here is a simple Polish recipe that I use to make them.
(Quite fun to make on a rainy day in late summer)