Step sludge and residue with a sludge judge to verify pumping requirement
https://romeo-wiki.win/index.php/Septic_System_Emptying_Schedule_and_Best_Practices_for_Long-Term_Device_Health
Measure sludge and scum with a sludge judge to validate pumping requirement, then blend contents gently to suspend solids so the vacuum truck eliminates both layers, preventing clogs and early refilling.