(1) remove the bucket from the container, placed about two days, the container will rise to high temperature is about 0 DEG C.
(2) inject warm water with 40-50 degree C, then scrub with cloth.
(3) rinse with clean water.
(4) invert container, make it dry, adopt natural drying and hot air drying method. If the use of hot air blowing, the temperature should be limited to between 40-50 degrees C, should avoid more than 60 degrees C hot air.