100 g sugar and little milk to make into little paste stage. Mix all of them and keep in everywhere and close the light. keep watching for a week it will disappear. Especially while going for vacation if you keep in home and close the door and lights u will get surprise. It is a slow poison thats all. It worked out for me and found nearly 200 dead after that since 5years no more cockroach.
Take 100 g boric acid powder,
100g milk powder
100 g sugar and little milk to make into little paste stage. Mix all of them and keep in everywhere and close the light. keep watching for a week it will disappear. Especially while going for vacation if you keep in home and close the door and lights u will get surprise. It is a slow poison thats all. It worked out for me and found nearly 200 dead after that since 5years no more cockroach.