Home Canning Guidance
All Home Canning Guidance Content

Testing Dial Pressure Canner Gauges
For accuracy before use, it is recommended that dial gauges get tested each year. Gauges that read high cause under-processing and may result in unsafe food.

Preservation
SDSU Extension provides established and trusted research-based food preservation information.

A Guide To Pressure Canning
Pressure canners may have a weighted-gauge or dial-gauge, for indicating and regulating the pressure during processing.

A Guide To Water Bath Canning
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.

Water Bathing vs. Pressure Canning
Water bathing and pressure canning are two common ways to preserve foods by canning. These techniques use heat processing to preserve foods, and which technique you use depends on the acidity of the food.

Choosing a Liquid for Home-Canned Fruit
Interested in canning fruit at home? Learn some expert tips for selecting the proper liquid for your canning objectives.

Food Safety Product Evaluation Request Form
Form to request a Food Safety Product Evaluation

The “Why” Behind Unsafe Canning Practices
When choosing a food preserving method, it’s important to investigate the science behind the process and choose a method that has been researched and proven safe. This is especially important when it comes to canning.

Canning Tomatoes Safely
Home canning tomatoes is a great way to preserve them for later use. It is critical to use proper methods of heat processing to ensure a safe finished product.

Canning Tomato-Vegetable Mixtures
Tomatoes are unique when it comes to home canning recipes. Some tomato and vegetable recipes recommend using a boiling water bath canner, some recipes recommend a pressure canner, and some recipes offer both options.