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From:	nomikins (12.107.203.68)
Subject:	DO NOT USE THE PC FOR CANNING!
Date:	August 5, 2005 at 6:30 am PST

In Reply to: Processing quart jars in the PC posted by Chris on July 28, 2005 at 6:44 am:

Had to shout that out. Do NOT use a PC for canning; you should only use a pressure CANNER.

This has been posted in the past and bears repeating:

Even though some manufacturers certify their brand of pressure cooker is acceptable for use as a pressure canner, most canning experts will tell you not to use a regular pressure cooker for canning purposes. You can, however, still use a pressure cooker with a regular lid, for small batches of water bath canning. Pressure cookers are NOT recommended for canning because a fully loaded canner takes a longer time for heating and cooling. This time is taken into account when determining processing times in standard canning timetables. The smaller pressure cookers have smaller loads, and this causes them to heat and cool quicker than a pressure canner. This causes problems with accurate timing.

That "problems with accurate timing" translates into increased risk of food poisoning, including

fatal botulism