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How to clean earplugs
Fill a bowl with warm water and soap.
Fill a small bowl with enough warm water to completely submerge your ear plugs. Add a few drops of a mild soap, like dish soap.
Mix the water with a stirring utensil, like a spoon, or with your clean hands to distribute the soap through the water. Ear plugs that are regularly used should be washed whenever visibly dirty or every few days.