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I guess a more accurate way to say it is that I never heard of doing anything like that in my career on sailboats.

Its cheap and relatively low effort, but I just don't see the benefit. Modern cans typically already have a plastic coating on the inside that will take care of things getting in through any pinholes, and to preserve flavor.

I spent close to a decade as a professional sailboat captain, including on long offshore passages. I never saw a single can of suspect food, and it wasn't something that is ever talked about. Even in survival kits you would see canned goods that weren't wrapped in plastic.

Really, if you are in the business of minimizing risk, you don't undertake an open ocean voyage in a 19 ft. sailboat.

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kwertyoowiyop a day ago | parent [-]

Taking on a big risk shouldn’t make one feel cavalier about other risks, even if they’re smaller.

(Spoken like the project planner I used to be)

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dghlsakjg 21 hours ago | parent [-]

Sure, but there has to be a risk in the first place, and there is just no evidence that corroded cans lead to food poisoning.

The most recent botulin report from the CDC lists 19 confirmed foodborne cases in the entire US. of those 19, it looks like only 7 were related to outbreaks tied to suspected commercial food circumstantially (no tests confirmed this), the rest were from home-canning.

See table 2 here: https://www.cdc.gov/botulism/php/national-botulism-surveilla... . Note that 2019 was the worst year that the CDC has for commercial prepared food. 2018 and 2017 had one suspected commercial can related incident each.

Basically, if you are getting botulin toxin poisoning, it is going to come from inside a can that was physically fine, or, much more likely, a home cooked meal.

A project planner should hopefully look at a risk, and think: This is a 1 in a billion risk at best (assuming that the average American eats at least 3 cans worth of goods per year).

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kwertyoowiyop 13 hours ago | parent [-]

My mom used to avoid dented cans because of botulism risk. I still do, out of habit.

	▲	dghlsakjg 12 hours ago \| parent [-]
		Dented cans aren’t a sign of botulism. Botulism increases internal pressure of a can, so cans that are puffed are dangerous.