Boric acid dust may also be used on to cracks and crevices. The dust is an oral poison which the cockroach consumes when grooming. Blend a few teaspoons of boric acid and 3 teaspoons of sugar (insert flour to produce a dough) and position in spots where by cockroaches can https://andyxhysp.blogpayz.com/28175777/the-best-side-of-cockroach-control-sydney