I was searching online late on the third night in my new place when I came across PestLab.
I almost kept scrolling.
I'd tried a cheap ultrasonic device years ago that did absolutely nothing.
But PestLab was different and they explained specifically why the old devices failed.
Early ultrasonic devices used fixed, low-power frequencies that couldn't penetrate wall surfaces or building materials. They made sound in the room. They didn't reach inside the structure.
PestLab operates differently.
Variable ultrasonic frequencies between 25 and 65 kilohertz specifically the range validated in research to penetrate standard residential drywall and structural materials.
Plus electromagnetic pulses through walls reaching inside enclosed voids through the building's own infrastructure.
Together, both mechanisms reach inside walls, inside cabinet voids, inside the structural spaces of the home itself.
Here's the part that finally gave me something solid to hold onto.
PestLab doesn't require the roach to touch anything. It makes the entire structure inhospitable including the inside of wall cavities and the enclosed spaces around appliances.
That meant that even if something had arrived inside my refrigerator motor...
Even if eggs had survived inside a sealed box...
Even if my couch had a gap I'd never find...
An environment saturated with PestLab's structural disruption would make it impossible for any of those things to establish, breed, or survive long enough to become a problem.
My new apartment wouldn't just be clean.
It would be actively defended against exactly what I'd brought through the door.