Head space is fine, and water bath is fine on BBQ sauce. If you don't feel comfortable with the water bath because the acidity might be too low then pop in some Citric acid, "Fruit Fresh" is the easy to find substance. That'll bring your P.H. down. 1/2 Teaspoon per quart.
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The Life of the Knife is Ended By! The Wife.
Geld responsibly.
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