The apartment have worked with steam cleaners and this spray, So all upholstered furniture, columns in the floorboards etc. All loose textiles were shipped in plastic bags in the freezer. Our dog got instead of the usual drops vermin poison in snack form that 3 months at a time is effective. Since then, peace. We have, however, begun immediately after the sighting of a single flea. Overall, we then walked over the procedure three more on the way. So act now