Baking soda can kill cockroaches - but first, you need to convince them to eat it.
Cockroaches aren’t attracted to the taste and smell of baking powder, so you may need to use a little sugar to make the mixture seem tastier.
Baking soda works when cockroaches eat it.
The soda must be in powder form, otherwise, it won’t work. Combining baking soda with vinegar -some online information recommends this, but the vinegar will actually stop the baking soda from working, warm water, or putting it in food will make the soda virtually ineffective.
When cockroaches eat the raw powder, the soda reacts with water inside the cockroach’s body. The baking soda expands, and because cockroaches have a firm exoskeleton, their bodies are crushed from the inside out.
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