Mix together one quart (about one liter) of water, one teaspoon of baking soda, and one teaspoon of salt. Gargle with a mouthful of the mixture two or three times a day to help keep your mouth clean.Be sure to shake the mixture well before you use it.
 In a lidded jar, combine a half cup (120 mL) of water, two teaspoons of baking soda, two drops of tea tree essential oil, and two drops of peppermint essential oil. Gargle a mouthful of it twice a day, and shake the mixture well before you use it.Be sure not to swallow tea tree oil, as it can cause harmful side effects. Avoid using tea tree oil if you’re pregnant or planning on becoming pregnant. Consult your doctor or dentist before using tea tree oil and other essential oils and herbs., In addition to fighting bad breath, there are a host of health benefits associated with ginger. Shave the skin off a two inch (five cm) piece of ginger, slice it, and simmer it with two cups (480 mL) of water in a covered pot for 20 minutes.You can rinse your mouth with it or pour it into a mug, squeeze some lemon juice into it, and enjoy it as a tea.
Make a simple baking soda mouthwash.
Make a mouthwash with tea tree and peppermint essential oils.
Drink a homemade ginger tea to fight bad breath.
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