The next time you get a bouquet of flowers, reach for the mouthwash in your medicine cabinet to help extend the life of the fresh stems. Adding just 1 tablespoon of mouthwash to a vase of filtered water will naturally act as a fungicide to keep water fresh, and the filtered water will help your flowers stay hydrated. The mouthwash stalls bacteria growth, which should add a few extra days to your arrangement.
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