Monitor trap efficiency with depth measurements of FOG and solids
https://papa-wiki.win/index.php/The_Ultimate_Guide_to_Grease_Trap_Cleaning_for_Commercial_Properties_and_Busy_Kitchens
Display trap performance with depth measurements of FOG and solids, triggering pump-outs at 25% capacity to maintain efficiency, prevent nasty smells, and fulfill most community pretreatment requirements.