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A comment on Ask HN: How are you preparing for COVID-19 disruptions?. Parent comment

Re:Ask HN: How are you preparing for COVID-19 disruptions? by reddog on Wednesday February 26, 2020 @07:40PM (#22429179)
What if you microwaved it? To be clear, I don't have any idea if this works or not, I'm just asking. And of course it couldn't have any metal parts.
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Re:Ask HN: How are you preparing for COVID-19 disruptions? by thatcat on Thursday February 27, 2020 @04:27AM (#22431877)
That works for sponges but it breaks the material down pretty fast. You could possibly use ozone to sterilize the masks if you sealed a container and let it sit at a proper concentration for the correct time period.
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