Household pests like rats and cockroaches can be managed naturally with simple, inexpensive ingredients. While these remedies use common pantry items, safety and placement remain key to protecting children, pets, and non-target animals.

1. Cockroach Deterrent: Rice, Sugar, and Boric Powder

A classic home mixture combines cooked rice, boric acid powder, and a small amount of sugar.

The sugar draws cockroaches toward the bait.

The boric acid, a natural mineral compound, acts as a desiccant that dehydrates them once ingested.

Rice serves as a neutral base to hold the ingredients together.Place small portions on bottle caps or shallow lids near corners, under sinks, or behind appliances — areas where cockroaches often travel. Replace every few days and avoid leaving the mixture where children or pets can reach it.

2. Rat Control: Rice-Based Dry Mixes

Several dry mixtures can deter or eliminate rats when used carefully:

Rice and powdered plaster of Paris: When eaten, the mixture can harden after contact with stomach moisture, proving fatal to rodents.

Rice, sugar, and baking soda: The sugar attracts, while the baking soda releases gas in their stomachs, which rats cannot expel.

Both methods should be handled responsibly and used only in inaccessible locations — such as behind cabinets, attics, or outdoor sheds. Never place mixtures where other animals might ingest them.

3. Why Rice Works

Rice’s mild scent masks other ingredients and keeps baits stable in humid environments. It also serves as an affordable, eco-friendly carrier that avoids synthetic binders or toxic pesticides.