Ask Wisconsin AnswerLine- Food Safety and Preservation

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Ask Wisconsin AnswerLine

Get reliable answers from trusted Extension experts.

Wisconsin residents can call or email the Ask an Expert AnswerLine to get answers to common questions about food safety, home food preservation, household management, and more. This service is part of a partnership between UW–Madison Extension and Iowa State University Extension and Outreach. The information provided is based on the latest research and is free to the public.

Table of Contents

Ask Wisconsin AnswerLine

Dial Gauge Pressure Canner Testing

Food Preservation Resources

Contact Us

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Contact the AnswerLine

Phone: 1-866-540-4636
Email: answer@iastate.edu
Hours: Monday–Friday, 9:00 a.m.–12:00 p.m. & 1:00–4:00 p.m. CST
Closed on holidays.

Iowa State Extension & Outreach AnswerLine Website

Our Answer Line is staffed by friendly, trained Extension specialists from Iowa State University, in partnership with UW–Madison Extension’s Health and Well-Being Institute. If your question falls outside their expertise or is specific to Wisconsin programs, they will connect you to a local Extension educator for support.

What to Expect

You’ll speak with a real person. No bots or call centers.

You’ll get reliable, unbiased information based on the latest science and Extension research.

If your question can’t be answered right away, we’ll follow up.

What You Can Ask

Home food preservation (canning, freezing, drying)

Food preparation and safety

Nutrition and household management

Questions about Dial Gauge Pressure Canner Testing? Click here to learn how to have your dial gauge pressure canner tested for accuracy, why it matters for safe food preservation, and explore a map of Extension offices that provide this service.

AnswerLine at Home

Practical, research-based tips for your home and kitchen.

The AnswerLine at Home video series, created by Iowa State University Extension and Outreach, offers short, easy-to-follow videos that help you make safe, informed choices at home. Topics include safe food preservation, kitchen tools and techniques, seasonal safety tips, and other common household questions.

Browse the Full Series on YouTube
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