Low-Acid Foods Step 2

Visually inspect mason jars for nicks, cracks, uneven rims or sharp edges that may prevent sealing or cause breakage. Check screw bands for proper fit on your mason jars and ensure that the interior surface of your SNAP LID® sealing discs are scratch-free. Wash jars and sealing discs in hot, soapy water. Rinse well.

Inspect pressure canner. Check lid and gasket to be sure an airtight seal can be achieved. Have dial gauge checked regularly.

Place rack in pressure canner. Add 2 to 3 inches (5 to 8 cm) water. Place jars in canner; heat water to a gentle boil. Keep jars in canner until ready to fill.