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sl8

(13,707 posts)
10. Why are you recommending undiluted 90% alcohol?
Sat Mar 21, 2020, 08:04 PM
Mar 2020

Everything I've read indicates that you'd want more water than that to be most effective.

Here are a couple of links, but there are plenty of other sources, as well:

https://labproinc.com/blog/chemicals-and-solvents-9/post/the-difference-between-isopropyl-alcohol-ipa-99-and-70-25
The Difference Between Isopropyl Alcohol (IPA) 99% and 70%

https://blog.gotopac.com/2017/05/15/why-is-70-isopropyl-alcohol-ipa-a-better-disinfectant-than-99-isopropanol-and-what-is-ipa-used-for/
Why Is 70% Isopropyl Alcohol (IPA) a Better Disinfectant than 99% Isopropanol, and What Is IPA Used For?

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