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Title: didn't work for my roach problem
Review: After reading the reviews I hoped it would work for us also, but it failed to do so. We got it to help with a recent roach problem in our kitchen and kitchen/bathroom wall which worsened since the use of the device. It somewhat appears that the problem area before was more inside the walls and now has spread all over the house outside the walls which made it worse. This on the one hand means that the electromagnetic frequencies inside the walls are working but the ultrasonic ones outside do not do the trick for the roaches.
