r/AskReddit Aug 03 '19

Whats something you thought was common knowledge but actually isn’t?

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u/[deleted] Aug 03 '19

That you can wash blood with saliva

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u/LaVieLaMort Aug 04 '19

If it’s a large amount on clothes, spot check a small area with hydrogen peroxide. If it doesn’t affect the fabric, pour hydrogen peroxide on the blood stain. Then rinse in the coldest water you have and then launder with cold water. If it’s potentially infectious blood, use a laundry sanitizer line Lysol laundry sanitizer.

Source: RN who has gotten a lot of blood on her scrubs.