How Well Does Cleaning Foam Earplugs Work?
For nighttime use, I typically toss out foam earplugs when they don’t look or smell clean anymore or when their effectiveness starts deteriorating. Many manufacturers state something like: “Discard after several uses or as soon as dirt or wax accumulates…” (Macks) “Disposable foam earplugs” (Moldex) When using earplugs for hearing protection in a high-noise environment, …