Herbal Soothing Sinus Botanical Steam With Eucalyptus, Mint, Citrus and Other Herbs Directions: Place 1-2 Tablespoons of the herbal mixture into a large bowl. Cover with 3-4 cups of boiling water. Lean over bowl while covering head with a towel. With your eyes closed and face 8-10 inches away from the hot water, breathe in the herbal goodness for 10-15 minutes. Take open air breaks if needed.