Display trap performance with depth measurements of FOG and solids

https://wiki-book.win/index.php/The_Ultimate_Guide_to_Grease_Trap_Cleaning_for_Commercial_Residences_and_Busy_Kitchens_91185

Display trap efficiency with depth measurements of FOG and solids, activating pump-outs at 25% capacity to maintain effectiveness, avoid nasty smells, and fulfill most local pretreatment standards.