Although commercial cockroach sprays can deliver quick, visible results, their effectiveness often diminishes over time. The strongest cockroaches that survive repeated treatments gradually develop resistance, making chemical solutions less reliable in the long run. In addition, frequent use of insecticides may pose potential risks to human health and negatively impact the indoor living environment. For these reasons, instead of overusing chemical products, homeowners can turn to safer, more practical, and eco-friendly methods to control and repel cockroaches at home.

1. Use Cockroach Traps

Rather than relying on chemical sprays that can be messy and incomplete, physical control methods such as cockroach traps are a smarter alternative. Simply place a small amount of food bait—such as bread crumbs or crushed cookies—inside the trap and set it in areas where cockroaches are commonly seen. These typically include damp bathrooms, kitchen corners, or near trash bins.

Cockroaches are nocturnal and tend to come out at night in search of food. The scent of the bait attracts them into the trap, which is designed so that they can enter easily but cannot escape. As a result, the cockroaches become trapped inside, helping to reduce their population in a clean and targeted way. This method is especially useful for monitoring cockroach activity and preventing further spread without introducing harmful chemicals into your home.

2. Use Boric Acid

Boric acid is an affordable and widely available substance that can be purchased at most pharmacies. To use it effectively, dissolve an appropriate amount of boric acid in hot water, then use a cloth or mop to clean the floors. Once the surface dries, fine boric acid crystals remain in floor cracks and crevices, creating a barrier that helps deter both cockroaches and ants.

For best results, focus on areas near water pipes, gas lines, drains, and small gaps around the house, as these are common entry points for cockroaches. Regular cleaning with this solution not only helps control pests but also maintains overall hygiene. However, care should be taken to keep boric acid away from children and pets, as it can be harmful if ingested.

3. Use Potatoes to Eliminate Cockroaches

Potatoes can be used as a natural bait to enhance the effectiveness of boric acid. First, wash the potatoes thoroughly, then steam or boil them for about 15 minutes until fully cooked. Mash the potatoes until smooth, then mix them with a moderate amount of boric acid.

Shape the mixture into small balls and place them in areas where cockroaches frequently search for food. The familiar smell and taste of mashed potatoes attract the cockroaches, while the boric acid acts as the active agent that helps eliminate them. This combination method is simple, low-cost, and can be especially effective when used consistently as part of a broader cockroach control strategy.