Jar Breakage During Hot Water Bath

[Fueling Around]

Sorry catching up.

I may be off on this, but my understanding of cold pack would be slicing up a bunch of peppers, cukes, or what have you, packing them into pre-heated jars, and topping the jars off with hot brine.

On the other hand, hot pack would be along the lines of making a batch of marinara and filing the pre-heated jars with the hot sauce.

"Cold Pack" doesn't mean you're filling the jars with refrigerated contents and putting the cold jars into the bath. It's more like the main ingredients are packed raw after slicing and topped with hot liquid.

You are correct and I didn't finish my post.
When I cold pack, I keep the filled jars in the shallow water bath used to heat the jars until the contents catch up in temperature. Then the jars go in the boiling water submersion bath.
If the jars cool off to much before the big plunge the thermal shock will cause the breakage.

 

[DougE]

Sorry catching up.



You are correct and I didn't finish my post.
When I cold pack, I keep the filled jars in the shallow water bath used to heat the jars until the contents catch up in temperature. Then the jars go in the boiling water submersion bath.
If the jars cool off to much before the big plunge the thermal shock will cause the breakage.

Makes more sense now that you added to the original post.

 

[DougE]

When I do cold, or more often called raw pack, I keep the canner at a simmer and add the jars as I fill them. Once I have a canner load, I crank the heat to bring it to a boil. Then just keep things at a slow boil for the processing time.