Your grease trap intercepts and allows for the separation and accumulation fats oils and grease (FOG) which require regular emptying to ensure your grease trap continues to operate efficiently. 

If left for too long, the FOGs decompose and can emit bad odors and can also cause the grease trap to overflow and internal lines which enter and exit the tank to become blocked. 

You may also be at risk of contaminating the local environment due to blockage and overflowing issues.