Use Vinegar with 5% acid in home canning Written by Amber Gilles Posted on July 27, 2023 Share Share:Share on FacebookShare on X (Twitter) Share via EmailCopy LinkCopied! It’s pickling season and the news is ‘a buzz’ with the increasing prevalence of vinegar in stores that has 4% acidity, not 5%. Only 5% acid vinegar is recommended for home canning. Please view the flyer below for additional information!