Quote:
Originally Posted by KristyDi 
Also I've used the rings from the mason jar lids to line the bottom of a pot as a substitute for a rack.
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Ooooh, never thought of that. I usually just use a small pot holder or dish rag in the bottom when I do small batches in a smaller pot that my rack won't fit in. My aunt used a wood board with holes in it.
If you have a ceramic/glass electric stove top, then you need to be careful the weight of the canner doesn't crack the stove top. Electric coils work fine with the big canners. Some of the preassure canners are supper heavy even empty. I have heard that the corregated bottoms don't work well on the glass top stove, but others have said it works fine, if you can get the water to boil, it should be fine.
Propane camp stoves or singel electric burners will work, if they can accomodate the large pots safely (you wouldn't want them to tip over). The ones that have legs work best, but they can get really expensive. I think Harbor Freight has some single burner ones for cheaper. The "turkey fryer" burners work also.
Any stock pot that will fit your jars with water covering the tops (with rack, or other item to raise jars off bottom of pan) and has a lid would work.
Preasure canning fruits can make them mushy, because the temp gets too high, they just turn out better if they are processed in boiling water. Some people are scared of preasure canning, I was the first time I did it, but now it's no big deal. It takes less water and less time. Follow directions that came with the canner exactly - it makes a difference, NEVER release the preassure manually, just turn the heat off and let it come down on its own. It may take up to 24 hours for the jars to seal.
If you are canning tomatoes, don't leave out the lemon juice or they will need to be preasure canned. Tomatoes are boarderline between the high/low acid foods. If you add low acid foods to them, like onions, they need to be preassure canned. Keep it simple to start.
Needed:
JAR LIFTER (I won't can without it)
Current Canning Instructions - specific to the food you are using (Don't use an old 1960's book - processing times are different for saftey reasons)