How to Kill Cockroaches and Lizards in 5 Minutes

Step 1:

Peel the onion and cut it in half.

2nd step:

Grate the onions and place them in a small bowl.

Step 3:

Add a few teaspoons of baking soda or baking powder to the grated onion. Then, squeeze half of the lemon into the mixture. Bubbles will form due to the reaction between the lemon juice and the baking powder. Mix all the ingredients well until everything is well combined.