- 1). Clean the inside of the infested dishwasher with a good household cleaner. Clean around the seals and all areas you can reach. Wipe the inside dry with a paper towel.
- 2). Place four roach baits inside the dishwasher in the four corners.
- 3). Close the dishwasher and don't use it. Check on the baits every 3 days and replace them when the bait is gone.
- 4). Remove 1/3 of the powder from any size box of Borax, because this gives some head room in the box to create a fine dust that you can puff out. Close the box, and shake it. Point the top under your dishwasher and puff a very fine, barely visible, powder onto the floor under your dishwasher.
- 5). Puff Borax in the area under your kitchen sink. Cockroaches that are entering a dishwasher are most likely walking under the kitchen sink also, and placing pesticide there will help eliminate them. Place four bait boxes in each corner and check on the boxes every 3 days and replace the boxes when the bait is gone.
- 6). Resume using the dishwasher after all signs of cockroaches are gone. Rinse off food from all dishes before you place them in the dishwasher, unless you plan to run it immediately.
- 7). Check the rubber seal around the dishwasher for signs of wear and tear. Replace it if there are holes where the cockroaches can enter.
- 8). Seal cracks and crevices around the dishwasher, and around your home, to keep cockroaches from entering. Clean the sink strainer and garbage disposal frequently to avoid accumulation of food that will attract roaches. Sweep the floor of crumbs and remove pet food bowls when the pets are finished with a meal.
- 9). Tighten loose pipes under the kitchen sink to eliminate a source of water for the roaches.
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