Quote:
Originally Posted by Camron Rust
I periodically soak mine overnight in 100% Listerine. You can rinse them briefly with water after taking them out of the Listerine if it leaves too strong of a taste for you.
Kills germs, tastes fresh.
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I do this too.
I end up chewing the rubber mouth guard to pieces on all my whistles during the season, so I always buy two new ones before the start of the next year.