Borax, baking soda, mouthwash and soapy water may be used to kill cockroaches. Cleaning the home thoroughly with a vacuum cleaner that has a HEPA filter also helps remove cockroaches from the home.Know More
Mix equal amounts of sugar and baking soda with enough water to make a thick paste. Use the paste to fill cracks and crevices, or spread the paste in areas where the insects live. Plain borax or baking soda may be lightly sprinkled in cabinets, under the refrigerator and along baseboards to kill roaches. Allow the baking soda or borax to remain in infested areas for up to six weeks to ensure cockroaches carry the powder back to the nest, where it continues to kill the insects for several weeks.
Soapy water kills cockroaches by restricting the insect's oxygen intake. Mix 1 teaspoon of dish detergent into 1 cup of water, and pour the mixture into a spray bottle. Spray any visible insects in the home with the mixture. A mixture that contains 1 cup of mouthwash, 1 cup of water and 1 teaspoon of dish detergent also kills roaches when the insects are sprayed directly.
A vacuum cleaner with a HEPA filter may be used to remove live roaches. Vacuum the home completely each day to reduce cockroach populations significantly. Take the vacuum outdoors, and empty it into a heavy garbage bag after cleaning to prevent a reinfestation.Learn more about Invasive Insects
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