Grease traps have become a major part of any catering and foodservice set-up. Legislation has clamped down on the effects that FOG laden waste water has on the sewer system and the environment and therefore buying the right grease trap has never been more important. Here we discuss exactly what grease traps are in all their forms, how they prevent dreaded fatbergs and how to make sure you buy the right type and size for your business.