Usually only until the jars are empty!!!! 
But I have kept one or 2 jars for 9-10 months when the seal has worked well. I put the hot mix into hot jars like I do with my jams, and hopefully they all vacuum pack themselves.
I'm not the best preserver going, and I do sometimes get failures, but I also still have a jar of rhubarb and ginger jam dated December 2003 that is still okay! At least the other one that I recently finsihed and made the same time was fine!!
Last edited on 30 January 2008 01:20 pm by Grannieannie
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