The Quickest Way to Prevent Grease Trap Smells If you’re tired of foul smells, time-consuming maintenance, and costly pump-outs from passive grease traps, it might be time to upgrade. Automatic Grease Removal Devices (AGRDs) are changing how commercial kitchens handle fats, oils and grease (FOG). Unlike traditional passive grease traps (which require frequent pump-outs and