While boric acid is commonly used as an insecticide, I must strongly advise against placing boric acid tablets in the bottom of your dishwasher to deal with a roach infestation. Using boric acid in this manner can pose several risks and potential hazards:
Health Concerns: Boric acid can be toxic to humans and pets if ingested in significant amounts. Placing it directly in the dishwasher increases the risk of accidental ingestion or exposure to the chemical residue.
Residue on Dishes: Boric acid is a fine powder, and if it's placed in the dishwasher, it could stick to dishes and utensils during the wash cycle, potentially contaminating your cookware and food.
Damage to Dishwasher Components: Boric acid may not be suitable for all dishwasher components and can cause damage to seals, hoses, or other materials inside the dishwasher.
Effectiveness on Roaches: While boric acid can be effective against roaches when used appropriately and applied in targeted areas, placing it in the dishwasher might not provide the desired results. Roaches may still find alternative hiding spots or pathways to avoid contact with the boric acid.
Instead of using boric acid tablets in your dishwasher, consider the following steps to tackle the roach infestation:
Clean the Dishwasher: Thoroughly clean your dishwasher, removing all food particles, grease, and debris that may attract roaches.
Seal Entry Points: Identify and seal any openings or cracks around the dishwasher and nearby areas to prevent roaches from entering.
Use Roach Traps or Baits: Place roach traps or baits in areas where roaches are commonly seen. These traps are designed to attract and eliminate roaches while minimizing the risk to humans and pets.
Consult a Pest Control Professional: If the roach infestation persists, it's best to contact a pest control professional who can safely and effectively address the issue.
Always prioritize safety and follow the manufacturer's instructions when using any chemical product. If you have concerns about a pest infestation, consider seeking professional advice to ensure the most effective and safe approach.