To disinfect empty grain stores and seeds stores filled with gunny bags  for storing newly harvested grain, it is essential to thoroughly clean all surfaces prior to treatment to ensure that insects are not protected from the spray by layers of dust.


A cold fog will thoroughly penetrate all parts of the structure, but where there are relatively deep crevices (in brick or wood) the use of a formulation which also has a residual effect should be applied with a ULV machine such as the Dyna-Fog® Hurricane, Dyna-Fog® Tornado, Dyna-Fog® TWISTER XL3™, or Dyna-Fog® MISTER III to give a higher level of control.