Screen trap performance with depth measurements of FOG and solids

https://wiki-cafe.win/index.php/From_Examinations_to_Pump-Outs:_Grease_Trap_Service_Strategies_Restaurants_Rely_On

Screen trap performance with depth measurements of FOG and solids, setting off pump-outs at 25% capacity to maintain performance, avoid nasty smells, and fulfill most local pretreatment requirements.