1g 2g oxalic acid powder or one 1g oxalic acid tablet is placed in the oxalic acid cap that is included The vaporiser is placed upside down onto the cap. The nozzle is placed in the entrance of the beehive and the vaporiser is turned right side up to start the process. The vaporisation process takes approximately 25 seconds. The vaporiser has a PID thermostat that controls the temperature and keeps it between 180ºC and 185ºC with a precision of 5ºC. Heating element with high effectiveness Quick treatment > 25 seconds per family Protection needed during use: safety mask, gloves and goggles as always., Manufacturer: ZKLGS