When average tools can not reach much sufficient or function quickly sufficient, Mighty Probe is the device for the task

https://andersonlain956.zenbloomer.com/posts/a-practical-guide-to-how-to-locate-a-septic-tank-and-filter-access

When common devices can not get to much enough or work quickly enough, Mighty Probe is the tool for the task, providing you the deepness, rate, and control required to obtain it done.