SDSU Extension provides established and trusted research-based food preservation information.
Use our recommendations to preserve fruits and vegetables to enjoy all year long.
Water bath canners have fitted lids and removable wire racks. While they come in many sizes, the canner must be deep enough to allow a minimum of 1-2 inches of briskly boiling water that covers the top of jars during processing.
Dos and Don't s on canning on a smooth stovetop
Pressure canners may have a weighted-gauge or dial-gauge, for indicating and regulating the pressure during processing.