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Answers. Best Answer: It's fine to reuse ear plugs as long as you clean your ears each time before inserting them. You'll need to replace them occasionally, depending on how often they're used. I've found that the yellow cylindrical ones work better and stay clean longer than the standard orange ones.
Ear might feel plugged up unless hearing aid is vented. Vulnerable to wax buildup and moisture. It can accommodate only a small battery, so battery life is relatively short, and typically only powerful enough for milder hearing loss. Because of their small size, the batteries can be difficult to insert and remove.