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Filtered water: 1 ounce
Calendula Calendula officinalis tincture: 1 ounce
Propolis tincture: ¼ ounce
Fresh nasturtium Tropaeolum majus juice (optional): 1 to 2 drops
Measure the quantities with a syringe. A few drops of the juice from crushed nasturtium leaves can be added. Use four to five drops in the ear, four times daily.