What Equipment do you Need to Get Started?

Discuss: 

When was food preservation started?
Certain time folks had to save food.  With invention of newer methods and ease of getting food many folks dont NEED to preserve like families did in the past.  Choose to preserve to control food content, save garden, and be more sustainable for family.

 Choose: 

method of preserving. cannign requires canner/water bath or pressure. kit. jars

dehydrate etc