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The recipe for tomato sauce (includes vinegar, sugar and salt) I am using says I can put the bottles in cool water and bring to boil; once they are boiling, they are ready to fill and seal. My question is, do the bottles have to be completely immersed to be sanitized? Thanks, Janet

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For proper sanitization the jars should be brought to a boil and kept at a boil for 15 minutes. – Didgeridrew Mar 5 '14 at 18:24
I suggest reviewing – derobert Mar 9 '14 at 5:37

Yes. Any part of the bottle that is not submersed may not reach the proper temperature for sterilization.

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