Soap Stone Aromatherapy Diffuser Celestial – 3.25 high Instructions for using aromatherapy diffusers: Put about 1/2 inch of water and 5 drops of essence or essential oils in the dish. Add more oil for a stronger scent. Be sure to use a tea-lite candle and NOT a votive candle. Tea-Lite candles are about 1/2 inch high and about 1 1/4 inches in diameter.
