home remediestake wheat floor and mix with boric acid powder and water make small balls and keep in sun to dry for a day and let the water get dry; then place the balls in the different places and...
yes they kill them and they never return.
You need to know what the material is. Some chemicals obtain results differently-ex. some act as stomach poisons, dessicants, etc. etc.
Yes, Pandan leaves are a natural repellent against small insects such as roaches, ants, ticks... etc.>> ewan ko....Go be a retard somewhere else.
Yes, but usually they only eat the shed skin of other roaches.