Be very careful using pure tea tree oil in the ear. The ear tissue can be very sensitive and the pure tea tree oil can burn it. I would suggest a couple of drops of TT oil in a teaspoon of mineral oil as an alternative. C. Colette & Warrick Wilson Avignon Reg'd Kennels Great Pyrenees/Berger des Pyrenees Kitchener, Ontario, Canada http://www.bond.net/~warrickw warrickw@bond.net