Gennaro from Ardsley Ny writes
If you are noticing more roach activity than usual, it is because immediately after beginning treatments, they will try to escape from the chemicals that are killing them. When applying insecticides such as Alpine WSG, the knockdown rate will be depend on how long the insect stayed on a treated surface and the age and health of the insects. In most cases, you can expect death in 24-72 hours.
Answer last updated on: 02/13/2023
