As a paint paste:
According to label recommendations, mix the preparation with lukewarm water to obtain a paste suitable for applying with a brush. Approx. 2.5% of the room area should be covered with paste. Paint places of the most frequent flies accumulation - sunny walls, doors, windows, window sills, poles etc. You can also paint strips of cardboard, plastic foil, plywood or thin boards and hang them under the ceiling.
250 g of the preparation is sufficient to control flies in a room with a floor area of approx. 100 m².
As a food poison:
The preparation should be mixed thoroughly with powdered milk or powdered sugar in the proportion as per the label recommendations. Spread the food poison prepared in such portions, in shallow containers, at a height of 1.5 - 2 m from the floor, in sunny places, on window sills, on beams, etc.