Mighty Probe is the device for the task when you need to probe deep and fast

https://johnathantwvd929.wordcanopy.com/posts/just-how-to-find-a-septic-system-with-a-mighty-probe-a-house-owner-s-guide

Mighty Probe is the tool for the task when you need to probe deep and quick, combining sturdy performance with exact handling for inspections, screening, and difficult area applications.