How Is Homemade Roach Bait Made?


Quick Answer

A soft dough made with lard, boric acid, sugar, flour and water kills roaches. The mixture can be prepared in minutes, and it should be placed in infested areas throughout the home on a regular basis until the roaches are no longer present.

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Full Answer

  1. Create and mix the roach-killing ingredients

    The Ohio Beacon Journal recommends mixing 1/4 cup of lard, 1/8 cup of sugar, 1/2 cup of flour and 8 ounces of boric acid together in a bowl.

  2. Apply the roach bait

    Wearing latex gloves, roll the roach bait into tiny balls, and place the bait in hidden areas of your home. Place bait under sinks, behind cabinets or underneath the refrigerator and other large appliances. If possible, place the bait near the nest.

  3. Store leftover bait for later use

    Boric acid is a slow-acting roach killer and requires several weeks of use before results are noticeable. Store any leftover roach bait in a labeled plastic container, and apply the bait as needed over the course of several weeks or months. Keep the stored bait out of the reach of children and pets, and replace the bait with a freshly made batch when the mixture becomes too dry to form into balls.

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