Boraxis a readily-available laundry product that's excellent for killing roaches. For best results, combine equal parts borax and white table sugar. Dust the mixture any place you've seen roach activity. When the roaches consume the borax, it will dehydrate them and kill them rapidly. How do...
Apply a thin layer of dust in places like wall cavities and floor voids. The deadly dust particles float through the air, stick to surfaces and kill roaches by dehydrating them. A silica dust likeCimeXais very low in risk to humans but extremely effective at killing water bugs. You can ev...