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I know about the pressure canner for spores. We can a lot of things here around the house and insuring that we have sterilized everything up front to prevent any opportunity for botulism or other pathogen to ruin the food is at the top of the list. I didn't realize that viruses could be easier to kill though. I appreciate that nugget.

Full sunlight, being UV-rich should be effective though like you I don't know how long one should plan to expose each side. I'd be interested in anyone's thoughts there.




My comparisons for UV light have been SODIS for water (very effective for clear water).




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