Equipment Resource Page
Here's what you need to start water bath canning.
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You need a canning processing pot. It can be this one...
These jars are the quintessential mason jar and I like them for canning juice in particular.
These are smaller size jars, and they are great for jam, applesauce (to-go size!), and more.
Here's a really nice canning funnel, sold by itself.
You need trusted, tested recipes from a cookbook like one of these. I have these books and love them all.