cronx42 t1_j8vbh3e wrote on February 17, 2023 at 5:04 AM

Reply to comment by iBo0m in Cleaning a thermos bottom from coffee traces "properly". by iBo0m

You can buy 90-91% isopropyl alcohol at any store pretty much. Usually in the pharmacy area. It's cheap too. That and some kosher or other large grain salt works well for cleaning many things. The salt won't dissolve in the alcohol.

LoudLemming t1_j8x82ra wrote on February 17, 2023 at 4:29 PM

>The salt won't dissolve in the alcohol.

Really? I didn't know this!

cronx42 t1_j8x8avd wrote on February 17, 2023 at 4:30 PM

Yep. Works like a charm.