How often should I pump out my gravity grease interceptor?

The proper pumping and cleaning frequently are dependent upon many variables, such as the type of food preparation, cooking and cleaning methods, the volume of food or meals prepared, and the size of your gravity grease interceptor. Lake County Special Districts recommend that all gravity grease interceptors are inspected frequently and owners use the "25% Rule" where interceptors are pumped out when the combined thickness of the floating FOG and settleable solids layers exceed 25% of the total liquid depth of the interceptor. All gravity grease interceptors should be pumped out at least once every three months.

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1. What is a gravity grease interceptor and how does it work?
2. How often should I pump out my gravity grease interceptor?
3. What size gravity grease interceptor should I have?
4. What kinds of problems do Fats, Oil and Grease cause?
5. Isn't my business grandfathered in under the old rules?
6. My business doesn't produce grease. Do I still have to install a large grease interceptor?
7. Will a garbage disposal affect a grease interceptor?
8. My restaurant doesn't have space to install an exterior in-ground grease interceptor. Are their other options?
9. How do I have a Gravity Grease Interceptor installed?