"This trick is also good to use before/after wearing earplugs for an extended time (i.e. on a plane flight, all night in a noisy hotel). I think it helps by creating a sterile environment, preventing nasty bacterial activity that could otherwise occur in a sealed environment. Also kills bacteria on your fingers that you use to roll up the earplugs.Be sure the drops in your ear have evaporated completely (wave your hands) before inserting earplugs." - comment submitted by jaime9999.
With that out of the way, let's get going!
Step 1: Gather the Materials
1 small bottle of Vinegar
1 small bottle of Alcohol
1 eye drop container (or anything with the ability to distribute drops)
1 Funnel (make sure it fits the eye drop container)