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Old 03-23-2020, 03:32 PM
Musicat is offline
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Join Date: Oct 1999
Location: Sturgeon Bay, WI USA
Posts: 21,945
Originally Posted by TubaDiva View Post
Rubbing alcohol is available as 70% isopropanol, so it doesn't need dilution. It also comes as 91%, which means to dilute it down to 71%, you should take one cup of 91% rubbing alcohol and add 1/4 cup (it's actually 72.8%, but unless you have graduated cylinders at home like I do, it's close enough.) I keep mine in a spray bottle, apply lightly, and just let it evaporate...
Why dilute it? Unless it is homeopathic, it doesn't get stronger when diluted. Why not use it full strength (91%)?