So that there are no organisms in the jars to feed off the jam and make it spoil when we put the jam in.
Yes, they should be clean, then sterilised in a hot oven for 15 minutes and allowed to cool, this will ensure no nasty bacteria will spoil the jam and it will keep for a long time.
Because plastic ones will melt
It depends upon the material of which the jar is made. If it is made of glass, as virtually all jam jars are, it is not biodegradable.
Glass jars can be made into many colors.
You will need to specify n=
Jars (like bottles but with wide openings at the top) made out of glass.
Any jar that is air tight. Jam jars are perfect.xxx
One Pint is equal to One half a quart. So, if you had 50 jars of jam, you would only need 25 quarts of blueberries.
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There are many uses of glass jars. One common use is how some food items are packaged and sold in stores. Glass jars are also used for candles often.
One can purchase glass storage jars at a local Walmart, The Container Store or Target. Glass jars can also be found at dollar stores, Canadian Tire, and Winners.
Ship to Shore - 1993 Money for Jam Jars 1-9 is rated/received certificates of: Australia:G
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