Frequently Asked Questions

You can find some of the most frequently asked questions in this section. 

Where are the WECK jars produced?

What are the WECK jars made of?

How does the preserving process work?

How do you open the jar?

Why must the preserved food be taken out of the water bath directly after the end of the processing time?

What is thermal shock?

(Source:, as well as various WECK Landjournals)