Had nuc that I was growing to a single 2 yrs ago break out with moderate case of EFB. I closed it up dumped heavy soapy water down it to take out the bees. Been in my basement for 2 yrs now to let wax moths do there thing and eat away the combs; which they did. Normally I would just torch the frames. Finally set up to process combs with steam for milling the wax into foundation. My old way was to to water bath combs a much less efficient way. Does anyone know if steam will destroy EFB? If so how long would be adequate to destroy EFB? Just sterilizing the equipment not saving any wax. Thanks.