Menthol is used to kill tracheal mites. Use one 50g pack per hive on the top bars of the upper corner of the brood box and leave for a minimum of 28 days. Treat spring and fall, but remove 30 days before honey flow. If the temperature is below 80°F, place the menthol on top bars. If the temperature is above 80°F, place the menthol on the bottom board.
Available in two sizes.