This to be pulled out of a residence fire and it was covered with soot. Soot and moisture corroded the metal. Corrosion will eventually develop holes that let in air and bacteria.

You are watching: How to tell if canned food is bad

4. Leaking


Wear gloves once cleaning up this mess and just come be safe throw out any food that the contaminated liquid has touched.

5. Dents


Dents damage the integrity of the air-tight seal which can expose the food come harmful bacteria.

6. Acrid Smell


If it smells pungent, acidic, chemical, or has an unnatural smell don’t eat it!

7. Rising Bubbles or Unnatural spring Colors


The picture above is a well-shook can showing safe bubbles. Ns didn’t have an instance of unsafe balloon so I thought I’d display you for sure bubbles. The bubbles to watch out for are tiny rising gas bubbles.

8. Sound – Hisses Loudly as soon as Opened or

No sound of fluid Inside once Shaken

A soft quiet hiss as soon as the air rushes right into a have the right to you room opening is normal yet a can that hiss loudly once opened is a warning sign.

See more: How To Get Bumped From A Flight, Getting Bumped From A Flight


It’s necessary to rotate your canned food to save your food fresh. However, if a can is bulging, projecting, rusting, leaking, is dented, has actually a monster smell, looks funky, or hisses loudly DON’T taste it and also handle it very carefully! safely dispose that the contaminated food.

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Welcome to mine site! My surname is Nettie and I started this blog to provide simple tools to help Preppers. I am a Girl reconnaissance Prepper. “Be prepared! A Girl reconnaissance is ready to aid out where she is needed. Willingness to serve is no enough; you need to know how to perform the job well, even in an emergency" (the motto, in the 1947 Girl scout Handbook). Gift a Prepper has been a blessing come me, my family, and also friends on more then one occasion. You"ll uncover these story throughout this blog. Girlfriend will additionally find prepper provides checklists, prepper events, cheap food warehouse ideas, emergency warm sources, survival publications recommendations, evaluate on power outage lights, printable prepper pdfs, and articles on emergency catastrophe preparedness. Click right here to read more