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Answers:

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Boil it for 5 minutes to kill baceria. Only hang on to a toothbrush for 3 months then buy another.

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replace it...

you can be toothbrush sanitizers but you should still be replacing your toothbrush every 3 months.

hope this helps! :)

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I boil mine in an old pot to get rid of the microbes for about 7 mins. You should replace it every 3 months.

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