After pumping, wash and backflush lines lightly, verify effluent filter is cleaned or changed

https://wiki-canyon.win/index.php/Trusted_Septic_System_Emptying:_What_to_Expect_from_Professional_Crews

After pumping, wash and backflush lines lightly, validate effluent filter is cleaned or replaced, and validate correct circulation from the home by running components while observing inlet turbulence.