Divide the solution between a couple of plates and place them in high traffic roach areas, such as on the kitchen and bathroom floors. Once the roaches eat the baking soda, they will die quickly.
Oriental roaches live in groups, so you should use bait to trap them. If you see one Oriental roach, directly spray it, you just can kill one and no one else. Syngenta A20378A insecticide will help ...
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